NYPD use of drones recording all in their path - w/video kept 30 days - upped 7-fold since July launch of "drones as first responders" effort. DFRs move at 45 mph, ID people from .8 miles away. "Video canvas" they created found alleged UnitedHealth shooter backpack
https://therecord.media/nypd-drones-as-first-responders-911-calls-privacy-surveillance