John Peter Constantine

Grand Trunk Railroad Police Department — Detroit, MI

Felonious

End of Watch March 7, 1926

Age 42

The Vigil Panel 50 ›

Gender Male

Incident Service The Sacrifice Department 5

Incident

Location: Michigan Weapon: Handgun Offender: Not available

Railroad Detective John Constantine was shot and killed while patrolling the railroad tracks near Junction Street in Detroit, Michigan.

Residents in the area located his body and called authorities. He had been shot numerous times and his revolver and other belongings had been stolen. Several men were arrested and held as witnesses following the shooting but it is not known if anyone was ever charged.

Det. Constantine, On today, the .92nd anniversary of your death I would just like to say thank you for your service and sacrifice as a Law Enforcement Officer.

R.I.P. USBP

Anonymous United States Border Patrol March 7th, 2018

In Our Keeping

Permanent identifier: BO-US-RR-9DE3483B
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.
Railroad Detective Constantine served with the Grand Trunk Railroad Police Department.
Thank you for your service to the Detroit community. Gone but never to be forgotten.
Rest easy, Railroad Detective Constantine.

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

Agency

Department Grand Trunk Railroad Police Department

Location Detroit, MI

Platform Identity gtrpd.rr.us.gov.nw

Service Record

End of Watch March 7, 1926

Age 42

Gender Male

Incident Details

Cause Felonious

Cause Detail Gunfire

Weapon Handgun

Railroad Detective John Peter Constantine is one of 17,623 officers killed feloniously — deliberately targeted and murdered in the line of duty across the full record of this memorial — 54.2% of all 32,508 officers honored here.

In MI, 426 of 718 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 59.3% of this state's fallen. That is 5.1 percentage points above the national rate of 54.2%.

At Grand Trunk Railroad Police Department, 5 of 6 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 83.3% of this agency's fallen.

Grand Trunk Railroad Police Department

of 6 officers

83.3% Felonious

MI — Statewide

426

of 718 officers

59.3% Felonious

Nationwide

17,623

of 32,508 officers

54.2% Felonious