JOSEPH A YNOSTROZA
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Officer Rank: Trooper
Memorial Panel: 55-W: 4
Department: Colorado State Patrol
End of Watch: December 6, 1989
Cause: AUTO
Age: 44
Years of Service: 16
Description: Trooper Ynostroza was killed in an automobile accident when his patrol car veered into oncoming traffic and was struck head-on by a tractor trailer.
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