John J. Heffron
Agency patch
Detective Lieutenant

John J. Heffron

Detroit Police Department — Detroit, MI
Felonious
End of Watch October 11, 1923
Age 46
Tour of Duty 18 yrs
Badge 370
The Vigil Panel 46 ›
Gender Male

Incident

Lieutenant John Heffron was shot and killed when he interrupted a robbery while investigating reports of forgery at a local saloon at 7505 Russell around 9:30 p.m. While he was in the saloon, four men entered and attempted to rob the establishment. Lieutenant Heffron identified himself and exchanged shots with the suspects. He mortally wounded two of the men during a running gun battle that ended outside of the saloon when he was shot in the stomach and hip. He was transported to Receiving Hospital where he remained until his death five days later. The two remaining suspects were arrested two days later and were both sentenced to life in prison. Lieutenant Heffron served with the Detroit Police Department for 18 years.

Survivors

He was survived by his wife, three daughters, and a son.

In Our Keeping

Permanent identifier
BO-US-MI-8CD6831B
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 Lieutenant Heffron gave the Detroit Police Department 18 years.
Thank you for your service to the Detroit community. Gone but never to be forgotten.
Rest easy, Detective Lieutenant Heffron.

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

Agency

Type Police Department
Location Detroit, Wayne County, MI
Platform Identity detpd.wayne.mi.us.gov.nw

Service Record

End of Watch October 11, 1923
Tour of Duty 18 yrs
Age 46
Badge Number 370
Gender Male

Incident Details

Cause Felonious
Weapon Handgun

Detective Lieutenant John J. Heffron 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 MI, 426 of 719 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 59.2% of this state's fallen. That is 59.2 percentage points above the national rate of 0%.

At Detroit Police Department, 177 of 250 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 70.8% of this agency's fallen.

Detroit Police Department
177
of 250 officers
70.8% Felonious
MI — Statewide
426
of 719 officers
59.2% 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. John J. Heffron's cause is highlighted.

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

How John J. Heffron Compares

Age at Death
46
This officer
Avg for Felonious: 39.0 years
Years of Service
18
This officer
Avg for Felonious: 8.4 years

When Felonious Deaths Occur

Monthly distribution of Felonious deaths across the full memorial record. John J. Heffron is highlighted in Oct.

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. John J. Heffron was killed by handgun.

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

Incident Location