Siegfred D. R. "Dove" Mortera

Guam Police Department — Tiyan, BA

Cardiac

End of Watch February 14, 2015

Age 49

Tour of Duty 17 yrs

The Vigil Panel 164 ›

Gender Male

Incident Service The Sacrifice Department 9

Incident

Police Officer Siegfred Mortera suffered a fatal heart attack while participating in his department's SWAT training at Eagles Field.

He was leading a run of other SWAT team members when he suddenly collapsed at approximately 9:00 am. Another officer performed CPR until medics arrived at the location. He was transported to Naval Hospital Guam where he remained unresponsive before passing away three days later.

Officer Mortera had served with the Guam Police Department for 17 years.

Survivors

He is survived by his wife, four children, and three grandchildren.

In Our Keeping

Permanent identifier: BO-US-GU-4A1F2B1D
Stewardship: Maintained by NeuraWeb Global Inc.
Added to badge.nw: April 2, 2026
Last updated: July 23, 2026

Honored here by 1 sentinel - 1 tribute.

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Tributes

I never knew you. I am standing here anyway.
Police Officer III Mortera gave the Guam Police Department 17 years.
Thank you for your service to the Barrigada community. Gone but never to be forgotten.
Rest easy, Police Officer III Mortera.

— S. Vincent Anthony, U.S. Army 1985-1993

Agency

Department Guam Police Department

Location Tiyan, BA

Platform Identity gpd.gu.us.gov.nw

Service Record

End of Watch February 14, 2015

Tour of Duty 17 yrs

Age 49

Gender Male

Incident Details

Cause Cardiac

Cause Detail Heart attack

Police Officer III Siegfred D. R. "Dove" Mortera is one of 1,306 officers lost to cardiac events in the line of duty across the full record of this memorial — 4% of all 32,508 officers honored here.

In BA, 1 of 11 officers were lost to cardiac events in the line of duty — 9.1% of this state's fallen. That is 5.1 percentage points above the national rate of 4%.

At Guam Police Department, 1 of 10 officers on record were lost to cardiac events in the line of duty — 10% of this agency's fallen.

Guam Police Department

of 10 officers

10% Cardiac

BA — Statewide

of 11 officers

9.1% Cardiac

Nationwide

1,306

of 32,508 officers

4% Cardiac