William Francis Slook, Sr.

Philadelphia Police Department — Philadelphia, PA

Felonious

End of Watch January 14, 1927

Age 38

Tour of Duty 14 yrs

Badge 906

The Vigil Panel 52 ›

Gender Male

Incident Service The Sacrifice Department 377

Incident

Police Officer William Slook was shot and killed after stopping a vehicle for driving without lights. The vehicle initially did not stop and officer Slook jumped on the running board of a taxi to follow the car. The vehicle finally stopped at 16th Street and Callowhill Street. As officer Slook began to search the driver a passenger pulled a handgun from his coat and shot him. The suspect was found guilty of murder and executed in the electric chair January 9, 1928. Officer Slook had been with the Philadelphia Police Department for 14 years.

Survivors

He was survived by his 11-year-old son.

In Our Keeping

Permanent identifier: BO-US-PA-3444AFB3
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 Slook gave the Philadelphia Police Department 14 years.
Thank you for your service to the Philadelphia community. Gone but never to be forgotten.
Rest easy, Police Officer Slook.

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

Agency

Department Philadelphia Police Department

Location Philadelphia, PA

Platform Identity ppd.philadelphia.pa.us.gov.nw

Service Record

End of Watch January 14, 1927

Tour of Duty 14 yrs

Age 38

Badge Number 906

Gender Male

Incident Details

Cause Felonious

Weapon Handgun

Offender Executed in 1928

Police Officer William Francis Slook, Sr. 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 PA, 597 of 1,261 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 47.3% of this state's fallen. That is 6.9 percentage points below the national rate of 54.2%.

At Philadelphia Police Department, 162 of 378 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 42.9% of this agency's fallen.

Philadelphia Police Department

162

of 378 officers

42.9% Felonious

PA — Statewide

597

of 1,261 officers

47.3% Felonious

Nationwide

17,623

of 32,508 officers

54.2% Felonious