John Mark Dial
Deputy Sheriff

John Mark Dial

Felonious
End of Watch April 17, 1992
Age 25
Tour of Duty 3 yrs
The Vigil Panel 138 ›
Gender Male

Incident

Deputy Sheriff John Dial was killed when his patrol car was struck by a pickup truck being driven by a drunk driver. The collision occurred at the intersection of U.S. 321 and Crane Church Road. The 50-year-old driver was convicted of felony driving under the influence and sentenced to 18 years in prison. Deputy Dial had served with the Richland County Sheriff's Department for almost three years.

Survivors

He was survived by his wife.

In Our Keeping

Permanent identifier
BO-US-SC-8B691960
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.
Deputy Sheriff Dial gave the Richland County Sheriff's Department 3 years.
Thank you for your service to the Columbia community. Gone but never to be forgotten.
Rest easy, Deputy Sheriff Dial.

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

Agency

Type Other
Location Columbia, Richland County, SC
Platform Identity rcso.richland.sc.us.gov.nw

Service Record

End of Watch April 17, 1992
Tour of Duty 3 yrs
Age 25
Gender Male

Incident Details

Cause Felonious
Weapon Automobile

Deputy Sheriff John Mark Dial is one of 1 officers killed feloniously — deliberately targeted and murdered in the line of duty across the full record of this memorial — 0% of all 97,772 officers honored here.

In SC, 272 of 441 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 61.7% of this state's fallen. That is 61.7 percentage points above the national rate of 0%.

At Richland County Sheriff's Department, 2 of 7 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 28.6% of this agency's fallen.

Richland County Sheriff's Department
2
of 7 officers
28.6% Felonious
SC — Statewide
272
of 441 officers
61.7% Felonious
Nationwide
1
of 97,772 officers
0% Felonious

National Cause Distribution

How Felonious compares to all causes of officer death in the memorial record. John Mark Dial's cause is highlighted.

Felonious
1 (0%)
Accident
1 (0%)
Illness
1 (0%)
Cardiac
1 (0%)
Undetermined
1 (0%)
Suicide
1 (0%)

How John Mark Dial Compares

Age at Death
25
This officer
Avg for Felonious: 39.0 years
Years of Service
3
This officer
Avg for Felonious: 8.4 years

When Felonious Deaths Occur

Monthly distribution of Felonious deaths across the full memorial record. John Mark Dial is highlighted in Apr.

Jan
1,392
Feb
1,295
Mar
1,373
Apr
1,516
May
1,504
Jun
1,442
Jul
1,587
Aug
1,517
Sep
1,491
Oct
1,371
Nov
1,447
Dec
1,624

Weapons Used Against Officers

Most common weapons in felonious officer deaths. John Mark Dial was killed by automobile.

Handgun
3,684
Gun
3,592
Gun; Unknown type
1,492
Shotgun
1,109
Rifle
935
Officer's handgun
909

Incident Location