1: Fifty officers were killed by firearms -- 15 in ambush attacks -- in 2014 , the Memorial Fund said . 2: That 's compared with five ambushes among 32 shooting deaths in 2013 and six ambush deaths during 2012 , according to the FBI . 3: Firearms killed 50 officers in 2014 , up from 32 in 2013 , the Officers Memorial Fund says .
1: ambush attacks 2: shooting 3: killed