Cop Killer

16x9 investigates the horrific June 2014 rampage against Canadian police officers by a gunman wearing camo and wielding multiple firearms.

Stephon Carter took a plea deal and avoided the death penalty in the 2011 slaying of Officer Scotty Richardson.

Sequence of events began Oct. 22, 2009, when Christopher Monfort is accused of firebombing police vehicles, followed by the killing of an officer on Oct. 31.

Video captures Jerad and Amanda Miller in the final moments of their lives, as they lay barricaded on the floor of a Wal-Mart store Sunday.

Investigators are studying videos and a range of other social media posts as they try to untangle what led Jerad Miller and his wife to gun down two police officers and a civilian in Las Vegas.