"… This point was demonstrated recently by Canadian software engineer and YouTuber Anthony Sistilli, of Brampton, Ontario, a city that recently spent 2 million Canadian dollars on “high-resolution cameras, along with automated licence plate recognition technology.” A month or so ago, Sistilli built his own ALPR camera and set it up to track the movement of police cars. He posted several videos on TikTok about the camera, explaining how he built it and how it works, describing it as “a personal Flock surveillance camera to Flock the Flockers.”
Local police got wind of this, because according to a video posted on YouTube earlier this week, two officers from Peel Regional Police allegedly turned up at Sistilli’s front door to ask what his “intentions” were for the data he gathered. In this video, Sistilli points out the rich irony of the situation: “One of [the officers] took the time to specifically mention how scary it would be for them, because people would be able to find out where they lived, when they got on their shift and what they were doing throughout the day, and that that type of powerful information could put them personally at risk [from] any bad apples that might want to track them down.” …"
https://gizmodo.com/youtuber-says-cops-paid-him-a-visit-after-he-built-flock-style-camera-to-track-cops-2000824306