Sawzall, 1m 15s, circular saw 1m, circular saw like 20s.
https://youtube.com/shorts/aAc3Kq0bFPs
Yet to see anyone describe what to do once they are down. They for sure have all manners of wicked battery backed up trackers etc, I'm sure.
(This would be highly illegal to do and you should not do it, even to evil surveillance cameras that hoover up our lives to terrifying central databases, even if these are ragingly unpopular.)