Incident
Officer William Sigmon was shot and killed while he and his partner chased two bank robbery suspects. The two officers were in the rear of the bank on a stakeout when the robbery occurred at 5185 MacArthur Boulevard, NW. As the suspects left the bank, the manager notified the officers that it had been robbed. Officer Sigmon exited the bank through the front door in pursuit of the suspects. As he ordered them to stop, they opened fire on him, forcing him to take cover. One of the subjects went down a set of stairs into an alley. As Officer Sigmon crouched next to a retaining wall watching the suspect, the second suspect approached him from behind and shot him in the back at close range. The subject who shot Officer Sigmon was wounded by return fire from other officers and taken into custody. Two accomplices, including the daughter of the District of Columbia's deputy mayor, were also arrested. Officer Sigmon's murderer was later killed by another inmate while serving time for the murder. The female served four years and one month before being released. The third subject served 33 years and was released in 2003. Officer Sigmon had served with the Metropolitan Police Department for 13 years.
Survivors
He was survived by his wife and two children.
In Our Keeping
- Permanent identifier
BO-US-DC-D9E3619B- 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.
Officer Sigmon gave the Metropolitan Police Department 13 years.
Thank you for your service to the Washington community. Gone but never to be forgotten.
Rest easy, Officer Sigmon.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
Officer William L. Sigmon 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 DC, 754 of 1,419 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 53.1% of this state's fallen. That is 1.1 percentage points below the national rate of 54.2%.
At Metropolitan Police Department, 70 of 131 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 53.4% of this agency's fallen.
National Cause Distribution
How Felonious compares to all causes of officer death in the memorial record. William L. Sigmon's cause is highlighted.
How William L. Sigmon Compares
Offender Outcome
Shot and wounded
When Felonious Deaths Occur
Monthly distribution of Felonious deaths across the full memorial record. William L. Sigmon is highlighted in May.
Weapons Used Against Officers
Most common weapons in felonious officer deaths. William L. Sigmon was killed by handgun; .45 caliber.
Incident Location
Others Who Wore This Badge
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