The vehicle Gebo is believed to be driving is Cook's 2009 Mini Cooper Clubman -- a cream-colored station wagon with a black top and black stripes on the hood. The vehicle bears Vermont registration GBH823.
Charging documents say a Casper police officer responded to a home on Salt Creek Highway to assist probation and parole agents with a home search after Reyes allegedly tested positive for meth and marijuana.
A teenage girl had called 911 and said Wagner was at the residence with a gun, and was threatening to "shoot everyone." The girl said she and three others were locked in a bedroom, and Wagner was banging on the door.
The crash, which involved a black Ford Focus hitting a Chevrolet Silverado pickup truck, killed the two people in the Focus and sent the occupants of the pickup -- an adult and two children -- to the hospital.