Alva Review-Courier -

DENVER (AP) — Videos made by the man who shot and killed a Colorado sheriff's deputy after concerns were raised about his mental health show the gunman calling 911 and then opening his apartment door and talking to responding officers before the shooting.

The footage , livestreamed on Periscope, was obtained by Denver's KUSA-TV. The station broadcast clips from two videos in which Matthew Riehl says he would not hurt anyone except to defend himself before calling authorities.

"Maybe I bought over 1,000 rounds of ammunition from Walmart. It's not illegal," he says.

Later, he tells a police disp...