In this photo taken Thursday, May 30, 2013, Officer Duke Roessel displays a stash of heroin to be used with his drug-sniffing dog during a training session at the police station in Brem

 

              In this photo taken Thursday, May 30, 2013, Officer Duke Roessel displays a stash of heroin to be used with his drug-sniffing dog during a training session at the police station in Brem
In this photo taken Thursday, May 30, 2013, Officer Duke Roessel displays a stash of heroin to be used with his drug-sniffing dog during a training session at the police station in Bremerton, Wash. The newest drug-sniffing dog on the police force in Bremerton, near Seattle, is one of a few police dogs in Washington state that are not trained to point out pot during searches. Other police departments are considering or in the midst of re-training their dogs to ignore pot as well, part of the new reality in a state where voters last fall legalized marijuana use. (AP Photo/Elaine Thompson)