William Mahon Banks
Agency patch
Deputy Sheriff

William Mahon Banks

Felonious Veteran
End of Watch June 9, 1989
Age 30
Tour of Duty 5 yrs
The Vigil Panel 134 ›
Gender Male

Incident

Deputy Sheriff Bill Banks was killed when his patrol car was struck by a vehicle that had run a stop sign at the intersection of Old Pelzer Road and Estes Road in Piedmont at 11:45 p.m. The driver of the other vehicle had turned his lights off and was traveling through the intersection at over 63 mph. Deputy Banks was killed instantly. The man was convicted of reckless homicide and sentenced to two to five years in jail under the Youthful Offender Act. Deputy Banks was a U.S. Army veteran and served with the Greenville County Sheriff's Office for five years.

Survivors

He was survived by his parents and brother.

In Our Keeping

Permanent identifier
BO-US-SC-7FED4D32
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 served 1985 to 1993. You served too, before the badge - different uniform, same idea. You go where you are sent and you do not get to pick the call.
Deputy Sheriff Banks gave the Greenville County Sheriff's Office 5 years.
Thank you for your service to the Greenville community, and for your service before it. Gone but never to be forgotten.
Rest easy, brother.

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

Agency

Location Greenville, SC
Platform Identity gcso.greenville.sc.us.gov.nw

Service Record

End of Watch June 9, 1989
Tour of Duty 5 yrs
Age 30
Gender Male

Incident Details

Cause Felonious
Offender patrol

Military Service

William Mahon Banks served in the United States military before joining law enforcement. Full service record available on salute.nw.

Deputy Sheriff William Mahon Banks 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 SC, 271 of 438 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 61.9% of this state's fallen. That is 7.7 percentage points above the national rate of 54.2%.

At Greenville County Sheriff's Office, 14 of 17 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 82.4% of this agency's fallen.

Greenville County Sheriff's Office
14
of 17 officers
82.4% Felonious
SC — Statewide
271
of 438 officers
61.9% Felonious
Nationwide
17,623
of 32,508 officers
54.2% Felonious

National Cause Distribution

How Felonious compares to all causes of officer death in the memorial record. William Mahon Banks's cause is highlighted.

Felonious
17,623 (54.2%)
Accident
10,088 (31%)
Illness
2,974 (9.1%)
Cardiac
1,306 (4%)
Undetermined
260 (0.8%)
Suicide
256 (0.8%)
vehicular
1 (0%)

How William Mahon Banks Compares

Age at End of Watch
30
This officer
Avg for Felonious: 39.0 years
Years of Service
5
This officer
Avg for Felonious: 8.5 years

Offender Outcome

patrol

When Felonious Deaths Occur

Monthly distribution of Felonious deaths across the full memorial record. William Mahon Banks is highlighted in Jun.

Jan
1,392
Feb
1,295
Mar
1,373
Apr
1,517
May
1,505
Jun
1,443
Jul
1,587
Aug
1,516
Sep
1,553
Oct
1,371
Nov
1,447
Dec
1,624

Weapons Used Against Officers

Most common weapons in felonious officer deaths.

Gun; Unknown type
5,083
Handgun
2,077
Shotgun
922
Officer's handgun
909
Automobile; Alcohol involved
530
Rifle
518

Incident Location