Software that detects crimes in real time

I saw this, and was wondering if there is any startup / company that is working on a video monitoring solution? I would like to work on a solution that monitors videos, generates an alarm and alerts police: Video shows NYC thief choke and rob 64 year old https://old.reddit.com/r/nyc/comments/hkm95m/video_shows_nyc_thief_choke_and_rob_64_year_old/