Tacoma Police Arrested Suspect in Deadly Parking Garage Robbery
Authorities apprehended 20-year-old Deng Chan Deng for the murder of William Simon Jr. during an attempted robbery.
Updated on Oct. 1, 2026 in Violence
Tacoma police have taken 20-year-old Deng Chan Deng into custody following the August homicide of William Simon Jr. The arrest marks the latest development in the investigation into a robbery that turned deadly in a local parking garage.
Why it matters
This case highlights an ongoing investigation into a fatal shooting that occurred after a group allegedly targeted a man to steal his firearm during an informal gathering. The incident has resulted in multiple arrests as authorities continue to piece together the events that led to the victim death.
Deng Chan Deng faces two counts of first-degree murder and one count of first-degree robbery. Three other suspects previously arrested in connection with the case are also facing first-degree murder and robbery charges.
The players
Deng Chan Deng
He is a 20-year-old suspect charged with first-degree murder and robbery in connection with the homicide.
William Simon Jr.
The 23-year-old victim was killed during an alleged robbery attempt in a parking garage.
Amanuel Piyo
He is one of the suspects arrested for his alleged participation in the fatal robbery.
Ricky Soth
He was arrested on August 13 and faces charges related to the murder and robbery.
Bul Ajak Bul
He is among the group of suspects charged with first-degree murder and robbery.
The details
Police report that a group of three to five individuals allegedly confronted 23-year-old William Simon Jr. at a parking garage on the 2100 block of North 30th Street to steal his firearm. The encounter escalated when Simon and members of the group exchanged gunfire, resulting in his death at the scene.
Timeline
Aug. 7, 2026: William Simon Jr. died following an exchange of gunfire.
Aug. 13, 2026: Ricky Soth was arrested by authorities.
Aug. 18, 2026: Bul Ajak Bul was taken into custody.
Sept. 30, 2026: Deng Chan Deng was booked into police custody.
Oct. 1, 2026: Deng Chan Deng is scheduled for his arraignment at 1:30 p.m.
Legal Context
This case follows the established investigative and charging patterns set by the 2026 Tacoma homicide investigation protocols. It reflects broader efforts by law enforcement to address violent robberies involving multiple suspects within the jurisdiction.
The investigation highlights ongoing security concerns regarding violent activity in local parking structures. Residents and business owners in the area are advised to remain vigilant and report suspicious behavior to local authorities.
The takeaway
This incident serves as a stark reminder of the risks associated with informal gatherings that escalate into criminal confrontations. Individuals are encouraged to prioritize personal safety and avoid situations that may involve the unauthorized presence of firearms.
What happens next
Deng Chan Deng is scheduled for an arraignment hearing on Thursday, Oct. 1, 2026, at 1:30 p.m.
Further reading
For more information on public safety incidents in the region, visit Violence.
