Sergeant John M. Blaser

Sergeant John M. Blaser

Arizona Department of Public Safety, Arizona

End of Watch Friday, August 31, 1990

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John M. Blaser

Sergeant John Blaser and Officer David Gabrielli were killed when they were struck by a vehicle while investigating an earlier drunk driving related accident on U.S. 89, 1-1/2 miles south of Valencia Road in Tucson.

As they were standing in the median a car driven by another drunk driver swerved across two lanes of traffic and struck them both.

The driver of that vehicle had a BAC of .25. He was sentenced to 21 years in prison.

Sergeant Blaser had served with the agency for 10 years. He was survived by his wife, parents, and brother.


  • Age 36
  • Tour 10 years
  • Badge 2916

Incident Details

  • Cause Vehicular assault
  • Weapon Automobile; Alcohol involved
  • Offender Sentenced to 21 years

accident scene

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Rest in peace always knowing that your service and sacrifice will never, ever be forgotten by your law enforcement brethren.

Detective Cpl/3 Steven Rizzo
Delaware State Police (Retired)

August 31, 2020

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