Sergeant Primitivo Marquez-Alejandro

Sergeant Primitivo Marquez-Alejandro

Puerto Rico Police Department, Puerto Rico

End of Watch Tuesday, October 12, 1993

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Primitivo Marquez-Alejandro

Sergeant Primitivo Marquez-Alejandro was shot and killed while checking on two youths wearing ski masks.

Sergeant Marquez-Alejandro and his partner were driving along road PR-175 near the community of Villa Margarita in Trujillo Alto around 8:30 p.m. when both saw two people wearing ski masks. When they told the suspicious youths to stop, one of the suspects pulled a gun and started shooting at the patrol car, hitting Sergeant Marquez-Alejandro, and causing a fatal arterial wound. He was not wearing his bulletproof vest at the time. His partner and other neighbors transported him to a nearby hospital where he was pronounced dead on arrival.

Sergeant Marquez-Alejandro had served with the Puerto Rico Police Department for 16 years and was assigned to Precinct 172 North Trujillo Alto. He was also a U.S. Army Special Forces veteran who worked as a Guerilla Warfare Instructor. He is survived by his wife and two sons.

Just 11 months before this incident, his brother, Officer Angel Luis Marquez-Rivera was shot and killed while two men tried to rob a convenience store in Rio Piedras, Puerto Rico.


  • Age 36
  • Tour 16 years
  • Badge 0-0082

Incident Details

  • Cause Gunfire
  • Weapon Gun; Unknown type
  • Offender In custody

suspicious person

Most Recent Reflection

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Sergeant Marquez-Alejandro
Thanks for your service and sacrifice to the good citizens of Puerto Rico. You sound like a great officer. I also applaud your service in the U.S. Army Special Forces. As a former paratrooper, you were no doubt a cut above and your service as a peace officer and trooper are all greatly appreciated by your brothers and sisters in the mainland.

James Lopey, Assistant Sheriff (Ret)
Washoe County Sheriff's Office (Reno, Nevada)
Nevada DPS

October 12, 2021

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