Antonio Coddute-Farrison has a history of impersonating police and is believed to be in possession of various law enforcement gear, including weapons, a Taser, handcuffs, and ballistic vests, according to detectives.
On Saturday, the 24-year-old attended a gun show in Monroe, where detectives say he pretended to be an undercover Washington State Patrol detective.
Security guards at the gun show say Coddute-Farrison displayed what looked to be an authentic badge and was driving a retired Sheriff's Office Ford Expedition equipped with lights and siren.
Coddute-Farrison stands 6-feet tall and weighs approximately 180 pounds.
Anyone who may have information about Coddute-Farrison or his whereabouts is asked to call the Sheriff's Office's anonymous tip line at (425) 388-3845.
Additionally, detectives would like to speak to anyone who may have been stopped by Coddute-Farrsion while he was posing as a police officer.