>> so officer thompson's the one who trained him, i'll let him tell you. >> he can sniff out methamphetamine, cocaine, both versions, powder and crack, he can do heroin. because of heroin, he can do fentanyl. just incredible how easy it was just the get the odor on him. really expensive dogs, and we found a dog that just happened to work for us. will: that was my follow-up question. i would assume the story most of the time is training these dogs from a puppy, and you find a rescue. i don't know how old he was when you rest died him -- rescued him, but it seems like that's a pretty big part of the story, that he picked all of this up so quickly having no training from early age to do so. >> yeah, exactly. it took a collaborative effort from the people at the shelter, to chris training him, the k-9 foundation can located the final touches on his training, got him up to speed. but to just simply take a rescue and not knowing what his potential was, we're just blown