This undated image provided by the Colorado Department of Corrections shows its director Tom Clements. Sheriff's Lt. Jeff Kramer says Clements was shot to death around 8:30 p.m. Tuesday night March 19, 2013, when he answered his front door in Monument, north of Colorado Springs. Police are searching for the shooter. (AP Photo/Colorado Department of Corrections)

Photo by: Uncredited

This undated image provided by the Colorado Department of Corrections shows its director Tom Clements. Sheriff's Lt. Jeff Kramer says Clements was shot to death around 8:30 p.m. Tuesday night March 19, 2013, when he answered his front door in Monument, north of Colorado Springs. Police are searching for the shooter. (AP Photo/Colorado Department of Corrections)