Trooper Joseph A. Ynostroza
Colorado State Patrol
Colorado
End of Watch: Wednesday, December 6, 1989
Cause: Automobile accident

Biographical Info
Age: 44
Tour of Duty: 16 years
Badge Number: Not available

Trooper Ynostroza was killed in an automobile accident on U.S. Route 160 while en route to Cortez from Denver. During the drive his patrol car veered into oncoming traffic and was struck head-on by a tractor trailer. Although he was wearing his seatbelt and his air bag deployed the force of the impact was so severe it caused fatal injuries.

Trooper Ynostroza had been with the agency for 16 years and was survived by his wife and three children.