By Steve Neavling
A former FBI informant already sentenced to prison for four murders is accused of plotting to kill from behind bars and escape from the Sterling Correctional Facility.
Scott Kimball, 51, is facing new charges of solicitation of first-degree murder and one count of attempted escape, 9Wants reports.
Kimball was acting as an FBI informant from 2003 and 2004 when he killed three young women and his uncle. He was sentenced to 70 years in prison.