Corporate accountability reporter @washingtonpost. Formerly @WSJ @Bloomberg @BW. Same thing we do every night, Pinky 🐭 Signal: douglasmac.02

Washington, D.C.
Joined August 2008
Lot of eye-opening details in this new Post story on how Flock's lackadaisical attitude toward security -- the company didn't require 2FA until this August -- has allowed unauthorized people to access sensitive data washingtonpost.com/technolog…
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New: We found cops who kept using Flock to spy on women after they left the force. One used it for five years after retirement, spying on his wife during a custody battle. Another ran searches while he was suspended (and later fired) after killing a 15-year-old boy. 🧵
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The story is the part you see. This is the journalism behind it. We take you inside our investigation into the misuse of Flock Safety’s nationwide network of license plate readers. We are Relentless. Read more: bit.ly/4xQjbPC
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Our Flock reporting just got five cops arrested. The Indiana cops were just criminally charged for spying on women. @aaronjschaffer, @dmac1 and I found suspicious searches and got their agency to investigate. How many bad cops are still getting away? wapo.st/4xDOH3d
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Five cops in Indianapolis were just criminally charged with abusing Flock to spy on their ex-wives, their wives' ex-partners and women they met on duty. Audit was triggered by us at the @washingtonpost, the prosecutor said. Story incoming.
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New: Americans' feelings toward Flock & license-plate readers have completely flipped since last year. More Americans now oppose police use than support it, saying the cameras don't make them feel safer and that they don't want any near their homes. What the new polls show: 🧵
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Wow! Recent polling shows that pretty much every American demographic group views Flock unfavorably. Proud to see that privacy and security is something we can all get behind!
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.@GovRonDeSantis cites the case of the Florida cop we first found misusing Flock data, says license plate readers are "out of control" and could lead to a ā€œsurveillance stateā€: "What the hell’s going on with this? ... People are right to be concerned" floridapolitics.com/archives…
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This type of public review—which resulted in three investigations and one arrest—is not even possible in Virginia because of a massive freedom of information act exemption in the 2025 law purporting to regulate law enforcement use of ALPRs.
Police departments are not regularly auditing how their officers use Flock, a powerful surveillance network -- so we did it for them. Three cops are now being investigated and one was arrested as a result of our inquiries. Here's how we did it... 🧵
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In IJ's Norfolk, Va.'s Flock lawsuit, we learned that for 2 years no one at the NPD reviewed the audit logs (history of who searched for what). Even after we sued, they didn't start until after they lost their motion to dismiss. It turned out to be one guy in a basement.
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Replying to @dmac1
Takes a lot of air out of the argument that cops getting caught & 'punished' shows the system working how it should when this is what it takes to catch them
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A sheriff's office in Louisiana just fired a Flock-misusing deputy known as DJ Bulletproof (the media outlet was us, btw) wdsu.com/article/louisiana-s…
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In our story on the cops who stalk women with license-plate readers, we said Flock could make two simple changes to reduce abuse: Require case numbers for every search and proactively scan for suspicious behavior. Now, the company is adopting both wapo.st/3UgJLmZ
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Doug MacMillan retweeted
New @TheFP video on Flock says, "They're not interested in you unless you're a kidnapper," which is 100% wrong. Besides the fact that we found 50 cops who used Flock to spy on their wives, exes and others - the cameras record everyone's plates, whether they're criminals or not.
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"He had searched her car hundreds of times over a span of about 13 months, sometimes dozens of times a week, the audit records showed. Many of his searches were made between midnight and 4 a.m." @drewharwell, Douglas MacMillan, and @aaronjschaffer for @washingtonpost washingtonpost.com/technolog…
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A police chief in Georgia used Flock's cameras to track his ex-girlfriend and her teen daughter nearly 600 times. ā€œDon’t worry I’m not tracking you or some weird stalker shit," he texted her. After his arrest, he committed suicide. He's one of 50 cops we found misusing Flock: 🧵
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We found the Flock cameras cops used to spy on women
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