Automated License Plate Readers Threaten Our Privacy
By Jennifer Lynch and Peter Bibring | EFF | May 6, 2013
Law enforcement agencies are increasingly using sophisticated cameras, called “automated license plate readers” or ALPR, to scan and record the license plates of millions of cars across the country. These cameras, mounted on top of patrol cars and on city streets, can scan up to 1,800 license plate per minute, day or night, allowing one squad car to record more than 14,000 plates during the course of a single shift.
Photographing a single license plate one time on a public city street may not seem problematic, but when that data is put into a database, combined with other scans of that same plate on other city streets, and stored forever, it can become very revealing. Information about your location over time can show not only where you live and work, but your political and religious beliefs, your social and sexual habits, your visits to the doctor, and your associations with others. And, according to recent research reported in Nature, it’s possible to identify 95% of individuals with as few as four randomly selected geospatial datapoints (location + time), making location data the ultimate biometric identifier.
To better gauge the real threat to privacy posed by ALPR, EFF and the ACLU of Southern California asked LAPD and LASD for information on their systems, including their policies on retaining and sharing information and all the license plate data each department collected over the course of a single week in 2012. After both agencies refused to release most of the records we asked for, we sued. We hope to get access to this data, both to show just how much data the agencies are collecting and how revealing it can be.
ALPRs are often touted as an easy way to find stolen cars — the system checks a scanned plate against a database of stolen or wanted cars and can instantly identify a hit, allowing officers to set up a sting to recover the car and catch the thief. But even when there’s no match in the database and no reason to think a car is stolen or involved in a crime, police keep the data. According to the LA Weekly, LAPD and LASD together already have collected more than 160 million “data points” (license plates plus time, date, and exact location) in the greater LA area—that’s more than 20 hits for each of the more than 7 million vehicles registered in L.A. County. That’s a ton of data, but it’s not all — law enforcement officers also have access to private databases containing hundreds of millions of plates and their coordinates collected by “repo” men.
Law enforcement agencies claim that ALPR systems are no different from an officer recording license plate, time and location information by hand. They also argue the data doesn’t warrant any privacy protections because we drive our cars around in public. However, as five justices of the Supreme Court recognized last year in US v. Jones, a case involving GPS tracking, the ease of data collection and the low cost of data storage make technological surveillance solutions such as GPS or ALPR very different from techniques used in the past.
Police are open about their desire to record the movements of every car in case it might one day prove valuable. In 2008, LAPD Police Chief Charlie Beck (then the agency’s chief of detectives) told GovTech Magazine that ALPRs have “unlimited potential” as an investigative tool. “It’s always going to be great for the black-and-white to be driving down the street and find stolen cars rolling around . . . . But the real value comes from the long-term investigative uses of being able to track vehicles—where they’ve been and what they’ve been doing—and tie that to crimes that have occurred or that will occur.” But amassing data on the movements of law-abiding residents poses a real threat to privacy, while the benefit to public safety is speculative, at best.
In light of privacy concerns, states including Maine, New Jersey, and Virginia have limited the use of ALPRs, and New Hampshire has banned them outright. Even the International Association of Chiefs of Police has issued a report recognizing that “recording driving habits” could raise First Amendment concerns because cameras could record “vehicles parked at addiction-counseling meetings, doctors’ offices, health clinics, or even staging areas for political protests.”
But even if ALPRs are permitted, there are still common-sense limits that can allow the public safety benefits of ALPRs while preventing the wholesale tracking of every resident’s movements. Police can and should treat location information from ALPRs like other sensitive information — they should retain it no longer than necessary to determine if it might be relevant to a crime, and should get a warrant to keep it any longer. They should limit who can access it and who they can share it with. And they should put oversight in place to ensure these limits are followed.
Unfortunately, efforts to impose reasonable limits on ALPR tracking in California have failed so far. Last year, legislation that would have limited private and law enforcement retention of ALPR data to 60 days—a limit currently in effect for the California Highway Patrol — and restricted sharing between law enforcement and private companies failed after vigorous opposition from law enforcement. In California, law enforcement agencies remain free to set their own policies on the use and retention of ALPR data, or to have no policy at all.
Some have asked why we would seek public disclosure of the actual license plate data collected by the police—location-based data that we think is private. But we asked specifically for a narrow slice of data — just a week’s worth — to demonstrate how invasive the technology is. Having the data will allow us to see how frequently some plates have been scanned; where and when, specifically, the cops are scanning plates; and just how many plates can be collected in a large metropolitan area over the course of a single week. Actual data will reveal whether ALPRs are deployed primarily in particular areas of Los Angeles and whether some communities might therefore be much more heavily tracked than others. If this data is too private to give a week’s worth to the public to help inform us how the technology is being used, then isn’t it too private to let the police amass years’ worth of data without a warrant?
After the Boston Marathon bombings, many have argued that the government should take advantage of surveillance technology to collect more data rather than less. But we should not so readily give up the very freedoms that terrorists seek to destroy. We should recognize just how revealing ALPR data is and not be afraid to push our police and legislators for sensible limits to protect our basic right to privacy.
Documents
EFF and ACLU-SC’s legal Complaint
LA Sheriff’s Department ALPR Powerpoint Presentation
LA Sheriff’s Department – Automated License Plate Reader System Information
LAPD – Automated License Plate Reader User Guide
LA Sheriff’s Department – Field Operations Directive
LAPD in court for abusing journalist
RT | December 12, 2012
A long-time journalist is suing the Los Angeles Police Department over the alleged manhandling he says he was subjected to while covering an Occupy protest in LA last year.
Reporter Calvin Milam of Los Angeles’ City News Service says police officers with the LAPD tackled him to the ground, restrained him in dangerously tight handcuffs and detained him for hours without charge, all while he was just doing his job as a journalist one evening in late 2011.
Milam has insisted he displayed his press credentials to the LAPD during an Occupy LA rally outside City Hall on November 30, 2011 immediately before he was brought down by the cops.
In the aftermath of the incident, police spokespersons described the scene by portraying Milam as drunk and disorderly during his arrest. The video footage that has surfaced seems to contradict that take, however, and also clearly shows that Milam was acting as a member of the media.
“At some point, the Los Angeles police officers, in full riot gear, began to restrict the egress of those exercising their First Amendment rights and blocked access to leave the premises,” the recently filed complaint reads.
Milam’s attorney, Mark Geragos, tells the Courthouse News Service that the only reason his client wasn’t prosecuted was because video was found “which completely puts lie to what the cops said.”
When Geragos first became aware of the footage in the weeks after the arrest, he told LA Weekly that the footage was “completely at odds” with the accounts offered orally from both the LAPD and the City Attorney’s Office.
“They patently lied about the whole thing. It’s clear to me. I was told the exact same thing. It’s fortunate there’s a video which shows what really happened,” he said last December. “They have now told you two things that are demonstrably false. One, that he didn’t show his press credential. And two, that he was drunk. This guy hasn’t touched a drink in 20 years.”
“It’s astonishing to see that video and then see what was alleged: that he didn’t identify himself, show press credentials and that he was resisting,” Geragos now tells Courthouse News.
LAPD officer Victor Johnson charged Mr. Milam with unlawful assembly during the Nov. 30 incident, but the charges were quickly dropped. He was one of three journalists arrested that night during an event that ended with around 300 being put into cuffs.
Patrick Meighan, a writer for the animated show Family Guy, was one of the hundreds of persons who was arrested during the non-violent protest last year. Recounting the experience in a personal blog post, Meighan wrote that LAPD’s actions that evening were “horrible to watch, and apparently designed to terrorize” anyone who could catch a glimpse.
“It was super violent, it hurt really really bad and he was doing it on purpose,” is how he described his brutal arrest last year.
“What does it say about our country that nonviolent protesters are given the bottom of a police boot while those who steal hundreds of billions, do trillions worth of damage to our economy and shatter our social fabric for a generation are not only spared the zipcuffs but showered with rewards?”
The City of Los Angeles has yet to respond to Mr. Milam’s suit and litigation is “at a very early stage,” Courthouse News reports.
Related articles
- LAPD refuses to release video of fatal encounter with mother (latimesblogs.latimes.com)
- After violent in-custody death, family of Alesia Thomas sues LAPD for video (tv.msnbc.com)
Photographers in Los Angeles considered terrorists under official LAPD policy
RT | September 7, 2012
The next time a tourist snaps a picture of the famous Hollywood sign, their photo won’t be the only item added to the annals. The LAPD considers photography a suspicious activity, and trying to take certain shots may add a page to your personal file.
A memo released last month by Police Chief Charlie Bucks re-categorizes certain behaviors — including photo shoots in public spots — to constitute suspicious activity, which is enough to have cops file a report, open an investigation and forward any further information about a suspect to the federal authorities — all over just an itchy shutter finger.
In an interdepartmental statement dispatched on August 16, Beck writes, “Taking pictures or videos of facilities/buildings, infrastructures or protected sites in a manner that would arouse suspicion in a reasonable person” is enough of a red flag to have authorities file a suspicious activity report, or SAR. According to departmental policies, those SAR files are then sent into a Consolidated Crime and Analysis Database (CCAD), where they are occasionally added to a Crime Analysis Mapping System (CAMS) for further investigation. From there, intelligence can be stored in a Information Sharing Environment (ISE) Suspicious Activity Reporting (SAR) Shared Space and accessed at fusion centers across the country, such as the LA area’s Joint Regional Intelligence Center, where other intel is interpreted, dissected and divulged by agencies like the FBI and the US Department of Homeland Security.
In a 2010 evaluation conducted by the US Justice Department, the DoJ writes, “Ultimately, the ISE-SAR EE, through the use of the Shared Spaces concept, provides a solution for law enforcement agencies to share terrorism-related suspicious activity information, while continuing to maintain control of their data through a distributed model of information sharing.”(.pdf)
Further in the report, the Justice Department determined that “The FBI and DHS should continue to support the interface with the Shared Space environment to allow continue ease of sharing SAR data with all law enforcement agencies,” which now includes any reports written up for something as boring as a blurry snapshot. Under the LAPD’s 2008 guidelines, taking photographs or video footage “with no apparent esthetic value” could warrant filing a SAR, but the department has now broadened what they considered potential terroristic activity.
According to the latest LAPD memo, the office notes that the suspicious behavior included on their updated list is “generally protected by the First Amendment” and should not be reported in a SAR, but could be considered if the witness thinks the action in question is “reasonably indicative of criminal activity associated with terrorism,” an explanation that is as broad and open ended as the NDAA, the federal legislation signed last year that lets the government imprison Americans without charge over suspected ties with affiliates of al-Qaeda.
On the official website of the American Civil Liberties Union, the ACLU writes, broadly speaking, “Taking photographs of things that are plainly visible from public spaces is a constitutional right… Unfortunately, there is a widespread, continuing pattern of law enforcement officers ordering people to stop taking photographs from public places, and harassing, detaining and arresting those who fail to comply.”
University of Chicago law professor Geoffrey Stone tells the Center for Investigative Reporting that just as any civilian can shoot photos in public spaces, though, surveillance from the authorities is allowed as well. “This would be constitutional under existing law, as long as the government is not doing this in a discriminatory manner,” Stone says. “There may be some constitutional limitations on the government’s use or preservation of such information, but at present, such limitations do not exist, except perhaps in truly egregious circumstances.”
In the days after the latest memo was made public, a backlash directed at the LAPD forced the police commission to establish a five-member civil oversight panel to decide on a set of guidelines for when SARs can be written. The Los Angeles Times reports that the panel unanimously approved an order that will continue to allow officers to write up SARs on any activity that can be interpreted, somehow, as a terroristic threat, however, and things don’t end there either.
Trying to take a picture isn’t the only action being elevated to the level of potential-terrorism in LA. In last month’s memo, Chief Bucks writes, “Demonstrating unusual interest in facilities/buildings, infrastructures or protected sites beyond mere casual or professional (e.g., engineers) interest, such that a reasonable person would consider the activity suspicious.” Examples, he adds, include observations through binoculars, taking notes and attempting to measure distances.
Days after the LAPD memo was made public, Deputy Chief Michael Downing, commanding officer of the LAPD’s counter-terrorism unit, told members of the media, “In this region we have active terrorist plots, in this region, right now,” although authorities have not corroborated those claims with details for the public yet. Chief Downing later told the Times that he was unaware of any specific terrorism plot aimed at targeting the city, but was adamant that law enforcement should be on the ready to handle any reports.
The lengths at which they will go to in an effort to stay ahead of the game has others worried scared, though.
“We ought to be ashamed of ourselves,” National Lawyers Guild attorney Jim Lafferty tells the Times.
In an op-ed published this week in the Huffington Post, Yaman Salahi of the American Civil Liberties Union says the LAPD’s latest memo makes it so that cops can consider “Anyone snapping a photograph or taking notes in a public place [as] a potential threat to public safety.”
“This kind of information sharing might sound good in theory, but a recent study from George Washington University, co-authored by the LAPD’s very own Deputy Chief Michael Downing, the head of the LAPD’s Counter-Terrorism and Special Operations Bureau, found that suspicious activity reporting has ‘flooded fusion centers, law enforcement, and other security entities with white noise.’ In practice, the profusion of SAR reports ‘complicates the intelligence process and distorts resource allocation and deployment decisions,’” Salahi writes. “The head of LAPD’s own counterterrorism bureau knows that low value SAR reports hurt counterterrorism efforts more than they help. So we should ask the LAPD to take the simple steps necessary to protect our free speech and privacy rights, and to stop harassing people engaged in perfectly lawful – and often, constitutionally protected – activities.”
Because the LAPD is now narrowing their eyes to focus in on suspicious activity at critical infrastructure sites, seemingly normal behavior anywhere — from power plants and theme parks to even a basketball game — can get you in trouble. In 2004, then Mayor Jim Hahn said, “Los Angeles’ critical infrastructure goes beyond power plants and water mains and includes facilities like Staples Center, which generates millions of dollars for our economy and is, thanks to the Lakers, an internationally-known symbol of Los Angeles.”
LA was awarded $3 million that year through the Urban Area Security Initiative Operation Archangel grant to protect its infrastructure, including the Staples Center, Disneyland and Hollywood Boulevard, and began their involvement in the Nationwide Suspicious Activity Reporting (SAR) Initiative (NSI) a few years later.
As RT wrote earlier this year as part of their ongoing investigation into the TrapWire surveillance system, the portal on the LAPD’s website that allows for civilians to contribute anonymous SARs is linked with an international intelligence database, as are surveillance cameras across the city. The iWatch reporting program has also been picked up in Washington, DC, where emails perpetrated to have been hacked from the servers of Strategic Forecasting last year suggest that the police department and closed-circuit cameras across the nation’s capital are tied to TrapWire as well. Intelligence collected in those instances are also fed to nationally-run fusion centers.
Related articles
- LAPD Now Arresting Photographers (poorrichards-blog.blogspot.com)
- Photographers in Los Angeles considered terrorists under official LAPD policy (EndtheLie.com)

