William Francis Slook Sr.
Agency patch
Police Officer

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
Gender Male

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

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Stewardship
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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.
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

Type Police Department
Location Philadelphia, Philadelphia County, 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

The Sacrifice · Felonious

William is one of 15,743 officers killed feloniously in the United States, 57.1% of the 27,551 remembered there.

34,117 officers are remembered on this memorial. Each number below is one of them.

  1. See the roll
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Compare against
I

Time

In 1927, 220 officers in the United States were killed feloniously, the 6th heaviest of 213 years on record. The heaviest was 1921, with 248.

Every year on record · United States
II

Who

William was 38. Of the 14,220 killed feloniously in the United States whose age is recorded, half were between 31 and 47; the middle age was 38. William had served 14 years; the middle length of service was 6 years.

Age at death
Where he stood among them
Age by years of service
III

When

January holds 8% of these deaths in the United States; December holds the most, 9.4%. Fridays: 14.3%.

By month
By day of the week
IV

How

Felonious deaths account for 57.1% of all 27,551 deaths in the United States, the most common cause. The weapon recorded was handgun, in 23.4% of these deaths.

Every cause
Weapons recorded
V

His people

Philadelphia Police Department has at least 120 officers remembered here, William among them.

Across the years
VI

Where

Police Officer William Francis Slook Sr.

Philadelphia Police Department · End of Watch January 14, 1927

Where the Name Is Cut

National Law Enforcement Officers Memorial · Panel 7-W

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