Clackamas Co. Sheriff's Office
Emergency Messages as of 8:50 am, Sat. Feb. 16
No information currently posted. Operating as usual.
Subscribe to receive FlashAlert messages from Clackamas Co. Sheriff's Office. Please use any browser other than Internet Explorer.
Primary email address for a new account:

Emergency Alerts News Releases  

Manage my existing Subscription

News Release
One shot, one Tasered in Sunday altercation in Beavercreek; woman who fled scene in stolen car sought; call 911 if seen *Flyer attached* - 05/15/18

One shot, one Tasered in Sunday altercation in Beavercreek; woman who fled scene in stolen car sought; call 911 if seen

Please reference CCSO Case #18-13878

Around 11:58 a.m. on Sunday, May 13, 2018, Clackamas County Sheriff's Office deputies responded to a reported shooting at 21391 S. Upper Highland Rd. in Beavercreek.

Upon arrival, deputies learned there had been an altercation between the homeowner, the homeowner's ex-girlfriend, and the girlfriend's new boyfriend. During the altercation, there was a struggle over a gun and the new boyfriend was reportedly shot. The ex-girlfriend also tased the homeowner.

The ex-girlfriend -- Helen Dandrea, 40 years old, transient -- then fled the scene by stealing the homeowner’s vehicle, a 1996 brown Buick Regal bearing Oregon license plate VDW350.

Clackamas County Homicide and Violent Crimes (HVCU) detectives and Crime Scene investigators (CSI) responded to process the crime scene and conduct interviews.

Clackamas Fire paramedics responded to treat the victims. The new boyfriend – Joseph Scott Mendoza. 34 years old, of transient -- was transported by Life Flight to the hospital with a gunshot wound. The homeowner was transported by ambulance to the hospital for evaluation following the Taser attack.

Detectives continue to gather information, process evidence and conduct interviews on the case, and new information may emerge as the investigation continues. Detectives are seeking tips as they attempt to locate Ms. Dandrea.


Detectives are looking for Helen Dandrea and the stolen brown Buick Regal. She should be considered armed and dangerous. Please call 911 if you know of her whereabouts.

Anyone with information on the case is also urged to contact the Sheriff’s Office Tip Line — by phone at 503-723-4949 or by using the online email form at . Please reference CCSO Case # 18-13878



Attached Media Files: Detective Bulletin
View more news releases from Clackamas Co. Sheriff's Office.