By Tom Jackman
The police use of automatic
license plate readers, photographing hundreds of license plates per minute and
capturing the exact time and place of the photo, has become routine in law
enforcement and is credited with helping to solve all manner of crimes, find
missing persons and locate stolen autos. But the vast data those readers
generate continues to alarm civil liberties advocates, troubled by the possibility
of police tracking people’s movements, and now a legal challenge is headed to
Virginia’s Supreme Court to determine whether the police can keep the
information indefinitely — or not at all.
Different states, and individual
police departments, have varying policies on how long the police can keep the
data from their license plate readers. In Colorado, the data can be kept for
three years. In New Hampshire, state law says the readers can’t be used at all.
In Virginia, where there is no restriction, the American Civil Liberties Union
entered the swirling controversy over data retention by suing the Fairfax
County Police Department, seeking an injunction to prevent them from keeping
the license data they currently maintain for a year. Last month, a Fairfax
judge threw the case out, ruling that a license plate is not “personal
information,” in what appears to be the first court ruling nationwide on that
issue, important in states which prohibit government from keeping citizens’
personal information.
The ACLU is appealing that ruling
to the Virginia Supreme Court. If the state high court reviews the case, its
ruling would likely set a precedent in Virginia — either allowing police
departments to maintain license data indefinitely, or requiring them to purge
it almost immediately — that could launch a similar legal shift in state laws
and police departments nationwide.
The Virginia case has attracted
attention from national groups such as the Electronic Frontier Foundation and
Vigilant Solutions, one of the largest manufacturers of LPRs, and both filed
amicus briefs in the case. The Electronic Frontier Foundation said that some
readers can capture 1,800 plate numbers per minute, and that one Northern
California law enforcement agency had collected data on 3.2 million plates in
just three months. Of those 3.2 million, only 720 were linked to crime, and the
other 99.09 percent were not, the foundation said.
Vigilant argued that a license
plate “is essentially a ‘mobile billboard’ that is seen by countless others whenever
a vehicle is in public view,” and that since government mandates license plates
be publicly visible, “the additional act of recording what everyone can see
entails no invasion of privacy distinct from this universal viewing.”
When it comes to license plate
readers, “data retention is in fact the most critical issue nationwide,” said
Chad Marlow, advocacy and policy counsel for the ACLU. He said the police
argument for maintaining data can be summarized as, “Just because, just in
case. ‘Just because we’re collecting the ALPR data,'” Marlow said, “‘we might
as well keep it just in case one of you might be a criminal.’ That is mass
surveillance to a ‘T.'”
Fairfax Circuit Court Judge
Robert J. Smith ruled in November that license plate numbers are not “personal
information” and so do not require police departments to limit their use of
automatic license plate reader data. The case is being appealed to the Virginia
Supreme Court. (Jahi Chikwendiu/The Washington Post)
Twelve states have enacted laws
specific to license plate readers, according to the National Conference of
State Legislatures, with some limiting the amount of time the data may be kept
from 21 days (Maine) to 90 days (Tennessee and North Carolina) to 18 months
(Vermont). A survey by the Electronic Frontier Foundation found most California
police departments kept the license data for one to two years, though the Los
Angeles County sheriff keeps it for five. There is no reader-specific law in
Virginia.
The Virginia lawsuit centers on
another state law, “the Data Act,” which says that agencies “shall not collect
personal information except as explicitly or implicitly authorized by law.” The
Virginia State Police, concerned about whether their collection of license
plate data violated the Data Act, asked the state attorney general for an
opinion. Then-Attorney General Ken Cuccinelli (R) advised in 2013 that active
collection of information for an ongoing case was legal but passive collection
of license plates, without a need “clearly established in advance,” was
illegal. The state police began purging their databases every 24 hours.
[Despite Cuccinelli’s advice,
Northern Va. police still maintaining database of license plates]
But many police departments in
Virginia ignored the advisory opinion and kept the data, some for as long as
two years. A bipartisan measure to limit the data retention to seven days
overwhelmingly passed both houses of the state General Assembly in 2015, but
Gov. Terry McAuliffe (D) vetoed the bill at the urging of police groups, saying
it would “negatively impact public safety.” The ACLU, representing a Fairfax
County man whose license plate had been recorded twice by the automatic
readers, sued the Fairfax police days later.
License plate readers
automatically photograph up to hundreds of plates per minute, while in motion,
then convert the numbers into text and continuously compare those with a “Hot
List” of stolen auto plates and cars related to other crimes. If a connection
is made with the Hot List, a monitor in the car alerts the officer, who can act
immediately. Storing the plate numbers, and their locations, also enables
police to look back in time to try to link a car to a crime scene, or to find a
missing person.
License plate readers were used
by police in New York to help track down a man suspected of planting bombs in
Manhattan in September. Police in Arlington, Va., found a 67-year-old man who
had been missing for two days, and was near death, when his car was recorded
blocks away from his residence. A 2012 survey of police departments by the
International Association of Chiefs of Police found that departments using
license plate readers had increased their stolen auto recoveries by 68 percent.
Don DeLucca, chief of the Doral, Fla., police and president of the IACP, said
the readers had led to 42 stolen cars and one missing person in 2016 in his
city of 56,000. He said the use of stationary readers at the entrances to the
city was well known and served as a deterrent to criminals.
A Charles County, Md., Sheriff’s
Office car equipped with automatic license plate readers on the back sends
information to the in-car terminal, above, which checks it against a “Hot List”
of stolen cars and other wanted vehicles. (James A. Parcell/For The Washington
Post)
“The LPR system is a valuable
crime fighting tool,” Fairfax police Chief Edwin Roessler Jr. said. “Often
times crimes are not discovered immediately and/or we eventually develop leads
in which we have to go back in time to develop probable cause and bring a
suspect to justice to prevent further harm to the community. This is a primary reason why it’s important
to retain the data within the scope” of the Virginia Data Act.
Still, most of the stolen autos
and missing persons are located quickly if not immediately by the plate
readers. Maintaining time and location data of cars over time creates the
possibility for abuse by creating a trail of personal movement, many experts
said. “It becomes very seductive as a law enforcement tool,” said Joseph
Schafer, professor of criminology at Southern Illinois University, “because
you’ve got a lot of data.” Officers could use it secretly to obtain leads on
cases, Schafer said, or monitor the movements of someone either for
professional or personal reasons, and if violations occur, they would not
likely become public.”This is a great example of how technology and data
systems can encroach into our lives.”
The ACLU’s Fairfax lawsuit on
behalf of Harrison Neal focused on Virginia’s Data Act law prohibiting the
collection of personal information, defined to include an “agency-issued
identification number.” Lawyers Edward Rosenthal and Hope Amezquita argued that
“it is difficult to understand how the tag number assigned by the DMV…is
anything other than an agency-issued identification number…which FCPD admits it
stores in its ALPR database.”
In Fairfax’s first attempt to
dismiss the case, a judge agreed with the ACLU. Fairfax Circuit Court Judge
Grace B. Carroll ruled that the license plate, “by virtue of the link to the
data bank to DMV tells you who that vehicle belongs to…this court finds that
that is personal information.” Carroll added, “Otherwise, what would be the
point of holding that information?”
But Fairfax moved for summary
judgment in the case. Assistant County Attorney Kimberly Baucom argued that the
license plate number of a vehicle “says absolutely nothing about an individual,
his personal characteristics such as his fingerprints, or his membership in an
organization…The FCPD’s ALPR database contains no additional information associated
with the license plate number, nor did it contain any information specific to
Neal.”
Fairfax Circuit Court Judge
Robert J. Smith issued an opinion on November 18, embedded below, after finding
no precedent anywhere on the issue of whether a license plate qualifies as
personal information. Smith examined the issue from a privacy perspective,
reasoning that if information isn’t private, how can it be personal? He noted
that federal appeals courts have found that “there is no privacy interest in a
license plate number,” in part because it’s in plain view, and that running a
check of a license plate by an officer is not a violation of the Constitution.
“A reading of these cases,” Smith
wrote, “logically leads to but one conclusion to that issue — license plate
numbers are not personal information.” He dismissed the ACLU’s suit. The ACLU
filed its notice of appeal on Dec. 20. ACLU-VA Executive Director Claire
Guthrie Gastañaga said of the judge’s ruling, “It’s very hard to understand how
a social security number or other government-issued number is deemed personal
information, but your license plate number is not. All these numbers are
indexed to your name across various databases easily accessible to law
enforcement agencies.”
If the Virginia General Assembly
added license plate numbers to the Data Act’s definition of personal
information, as it did in the bill vetoed in 2015, the case would become moot.
State Sen. J. Chapman Petersen (D), who helped create the bipartisan Ben
Franklin Liberty Caucus in the General Assembly after the license plate reader
issue intensified, said he would be taking another run at the matter in 2017.
“Any type of surveillance technology that just randomly accumulates data,”
Petersen said, “and makes it available to the police, I don’t accept it. I
think it’s incumbent on us to put restraints on these types of technologies.”
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A similar debate is rumbling
through statehouses across the country, with about a quarter having already
enacted reader-specific laws and another quarter of the states considering one,
Schafer said. “It’s split,” the ACLU’s Marlow said of debates over how long to
allow the data to be kept, “but because of politics, not philosophy. A lot of
states have a practice of deferring to law enforcement, and a lot of the police
departments are political forces in and of themselves. The politicians don’t
want to take on that fight.” Politicians who oppose police on an issue could
find embarrassing data about their whereabouts leaked, in one possible scenario
of abuse of reader data, Marlow said.
Fairfax Chief Roessler said that
wouldn’t happen. Existing laws “prohibit anyone from accessing the system for
mere curiosity and/or abuse. Accessing the system is strictly held to law
enforcement purposes only.” He said Fairfax’s policy “demonstrates how we
safeguard from ‘big brother’ abuses. I will not tolerate such abuses by any
employee as the public’s trust is paramount with this data.”
Marlow said he had spoken to a
number of chiefs who understood the privacy concerns. “But they do not have a
privacy mission,” Marlow said. “They take their responsibility as stopping
crime. I understand that keeping data on every American would enhance crime
fighting. Just as locking up every American would fight crime. We have to
balance the equation.”
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