The video explains itself..

[himynameismj]

Never assume a possible criminal needing a medical transport from scene of accident has been frisked. It's your duty, BLS or ALS to keep yourself safe first and foremost.

Part 1 : http://www.youtube.com/watch?v=tMTcjFzufJk
Part 2 : http://www.youtube.com/watch?v=3dP9WzmPo4w