Bernard C. Mengel

St. Louis Metropolitan Police Department — St. Louis, MO

Felonious

End of Watch April 22, 1922

The Vigil Panel 42 ›

Gender Male

Incident Service The Sacrifice Department 175

Incident

Police Officer Bernard Mengel and Police Officer Michael O'Connor were shot and killed while responding to a robbery at 3100 South Broadway. The two officers and a third officer were guarding money at a Trust Company across the street from a bank. A man ran in and notified the officers the bank was being robbed. As the three officers ran across the street the suspects exited and a shootout erupted in which Officer O'Connor and Officer Mengel were both struck in the head and killed. The three suspects fled the scene but were all apprehended. Two of the suspects were hanged at the St. Louis City Jail on July 18, 1924.

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Added to badge.nw: August 2, 2026
Last updated: August 2, 2026

Honored here by 1 sentinel - 1 tribute.

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Tributes

I never knew you. I am standing here anyway.
Police Officer Mengel served with the St. Louis Metropolitan Police Department.
Thank you for your service to the St. Louis community. Gone but never to be forgotten.
Rest easy, Police Officer Mengel.

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

Agency

Department St. Louis Metropolitan Police Department

Type Police Department

Location St. Louis, MO

Platform Identity stlopd.saintlouis.mo.us.gov.nw

Service Record

End of Watch April 22, 1922

Gender Male

Incident Details

Cause Felonious

Weapon Gun

Police Officer Bernard C. Mengel is one of 17,559 officers killed feloniously — deliberately targeted and murdered in the line of duty across the full record of this memorial — 53.9% of all 32,587 officers honored here.

In MO, 516 of 813 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 63.5% of this state's fallen. That is 9.6 percentage points above the national rate of 53.9%.

At St. Louis Metropolitan Police Department, 112 of 176 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 63.6% of this agency's fallen.

St. Louis Metropolitan Police Department

112

of 176 officers

63.6% Felonious

MO — Statewide

516

of 813 officers

63.5% Felonious

Nationwide

17,559

of 32,587 officers

53.9% Felonious