ABUSE OF AUTHORITY: RAW: Dallas Cops Shoot Unarmed Mentally Ill Man Standing in the Street!!

Even if the guy had a knife and lunged at the cops, they should still be tried for murder.  A trained professional can do nothing but kill a person in the easiest possible way? These are not heroes, these are cowards. 

LINK URL: http://www.youtube.com/watch?v=5lUSNN5WTfY&feature=player_embedded#t=0