A quadcopter drops a firearm in a Canadian prison yard.

Source

http://www.guns.com/2015/12/21/gun-dropped-via-drone-into-canadas-most-violent-prison/?utm_campaign=trueAnthem:+Trending+Content&utm_content=567ec09004d3010be6a10e80&utm_medium=trueAnthem&utm_source=facebook

http://www.lapresse.ca/actualites/justice-et-affaires-criminelles/faits-divers/201512/13/01-4930813-un-drone-aurait-livre-une-arme-a-la-prison-riviere-des-prairies.php