Texas authorities said Tuesday that investigators found bomb-making materials in the car of Evan Ebel, the man suspected of killing Tom Clements, the Colorado prison system chief.
A report from the Texas Department of Public Safety said officers found the bomb-making materials in a duffel bag in the trunk as well as instructions on how to make an explosive device.
Texas Rangers also discovered tan pants with apparent blood on them in a cooler.
Wise County Sheriff David Walker said authorities found handwritten directions to Clements' home in Ebel's car.
Clements was shot to death March 19 at his home outside Colorado Springs. Ebel was mortally wounded two days later in northern Texas after a gunbattle with authorities that left a sheriff's deputy wounded.