Alexander Finlayson Mavity
Detective

Alexander Finlayson Mavity

Billings Police Department — Billings, MT
Felonious
End of Watch February 14, 1989
Age 28
Tour of Duty 8 yrs
The Vigil Panel 134 ›
Gender Male

Incident

Detective Alexander Mavity was shot and killed while attempting to recapture a prisoner who was attempting to escape custody. The man had been arrested on a parole violation after officers responded to his home for a domestic disturbance call. The man fled as they walked into the rear of the police station. Detective Mavity chased the subject into an alley and began to struggle with him. The man was able to gain control of Detective Mavity's service weapon during the struggle and shot him. The man was then shot and killed by Detective Mavity as they continued to struggle for the weapon. Detective Mavity had served with the Billings Police Department for eight years.

Survivors

He was survived by his wife, daughter, sister, and parents.

In Our Keeping

Permanent identifier
BO-US-MT-2B787706
Stewardship
Maintained by NeuraWeb Global Inc.
Added to badge.nw
August 2, 2026
Last updated
August 2, 2026

Honored here by 1 tribute.

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Tributes

I never knew you. I am standing here anyway.
Detective Mavity gave the Billings Police Department 8 years.
Thank you for your service to the Billings community. Gone but never to be forgotten.
Rest easy, Detective Mavity.

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

Agency

Type Other
Location Billings, Yellowstone County, MT
Platform Identity bpd.yellowstone.mt.us.gov.nw

Service Record

End of Watch February 14, 1989
Tour of Duty 8 yrs
Age 28
Gender Male

Incident Details

Cause Felonious
Weapon Officer's handgun

Detective Alexander Finlayson Mavity is one of 1 officers killed feloniously — deliberately targeted and murdered in the line of duty across the full record of this memorial — 0% of all 97,772 officers honored here.

In MT, 93 of 142 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 65.5% of this state's fallen. That is 65.5 percentage points above the national rate of 0%.

At Billings Police Department, 3 of 4 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 75% of this agency's fallen.

Billings Police Department
3
of 4 officers
75% Felonious
MT — Statewide
93
of 142 officers
65.5% Felonious
Nationwide
1
of 97,772 officers
0% Felonious

National Cause Distribution

How Felonious compares to all causes of officer death in the memorial record. Alexander Finlayson Mavity's cause is highlighted.

Felonious
1 (0%)
Accident
1 (0%)
Illness
1 (0%)
Cardiac
1 (0%)
Undetermined
1 (0%)
Suicide
1 (0%)

How Alexander Finlayson Mavity Compares

Age at Death
28
This officer
Avg for Felonious: 39.0 years
Years of Service
8
This officer
Avg for Felonious: 8.4 years

When Felonious Deaths Occur

Monthly distribution of Felonious deaths across the full memorial record. Alexander Finlayson Mavity is highlighted in Feb.

Jan
1,392
Feb
1,295
Mar
1,373
Apr
1,516
May
1,504
Jun
1,442
Jul
1,587
Aug
1,517
Sep
1,491
Oct
1,371
Nov
1,447
Dec
1,624

Weapons Used Against Officers

Most common weapons in felonious officer deaths. Alexander Finlayson Mavity was killed by officer's handgun.

Handgun
3,684
Gun
3,592
Gun; Unknown type
1,492
Shotgun
1,109
Rifle
935
Officer's handgun
909

Incident Location