A traffic stop on the outskirts of Sisters on Wednesday afternoon led to the seizure of heroin and other drugs, a set of brass knuckles and more than $3,000 in cash.

The Deschutes County Sheriff’s Office reports that its Street Crimes Unit has been investigating 33-year-old Derek Chamberlain of Bend for the sales of controlled substances in Deschutes County. On May 20, Street Crimes detectives reportedly learned that Chamberlain was returning to Deschutes County with possible controlled substances in his possession.

Detectives observed Chamberlain driving a Toyota 4 Runner heading eastbound through the City of Sisters. Chamberlain was stopped near milepost 1 on Highway 20. According to a sheriff’s office report, Deschutes County Sheriff’s Office K9, Ares, and his partner, Deputy Mike Mangin, responded and alerted to the presence of controlled substances in Chamberlain’s vehicle.

A subsequent search of the vehicle allegedly revealed that Chamberlain was in possession of approximately four ounces of suspected heroin, a user amount of methamphetamine, Xanax, brass knuckles, and over $3,000.00 in U.S. currency.

Chamberlain was lodged in the Deschutes County Sheriff’s Office Jail on charges of Possession of Heroin, Delivery of Heroin, Possession of Methamphetamine, Possession of a Schedule IV Controlled Substance, and Felon in Possession of a Restricted Weapon.

The Deschutes County Sheriff’s Office street crimes unit focuses enforcement on street level drug cases and quality of life issues connected to property crimes throughout Deschutes County.