Mount Diablo

Danville Press Release

Suspect Sought in Sunday Shooting
Arrest warrant issued in death of Danville resident

Danville Police are currently seeking Mark Allan Sypien, 51, in connection with the Sunday shooting death of Danville resident John Moore.
Police Chief Allan Shields said an arrest warrant for murder has been issued for Sypien in the incident. The suspect is described as a white male, 5’09”, 185 lbs, with grey hair and green eyes. His last known address is in the Dublin area.  He was last seen driving a 2003 Silver Ford Escape with Illinois license plate 1008122. 
Sypien is suspected of shooting John Moore, 76, in the parking lot of 3470 Fostoria Way.
Anyone seeing Sypien should contact the police immediately. Anyone with information on Sypien’s whereabouts or any information on this case is urged to contact police at (925) 314-3702 or via Nixle by texting “Tip DanPD’ and your tip to 888777. 

View the  Town of Danville website.


Geoff Gillette  Public Information Officer
Email Geoff Gillette

Phone: 925-314-3336 
Fax: 925-838-0548

510 La Gonda Way, Danville, CA 94526

Monday - Friday
8:30 a.m. - 5 p.m.

Homicide suspect Mark Allan Sypien
Police are seeking Mark Allan Sypien in connection with the Sunday shooting of Danville resident John Moore. 
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