When the dog finds the drug, the reward is to play with the toy. The dogs think this is a game. Iris Iris is a seven year old Belgium Malenoi trained in drug detection and ground disturbances and under the direction of Sergeant Shaver. She has had over 1000 hours of training and this is continually updated. She can detect any amount of illegal drug or a derivitive no matter where it has been hidden if it has been there long enough for molecules to seep out.
Nothing can mask the odor.
Fredo Fredo is a German Shepherd under the direction of Joe Bollinger. He is trained exclusively in drug detection. Joe takes him on every patrol and says he would probably tear the house apart if he was left home alone. Fredo loves to work and takes his job very seriously. He's protective and reacts negatively to agressive behavior.