. >> cole mcnair was the local dealer who supplied the drugs to students at woodbury high.ted to police the tabs he was selling as lsd were really a synthetic drug called 2 25i. >> people don't like that stuff, they think it's -- they know it's bad, you know. >> but you know it's 25i? >> had you ever heard of it before? >> no. we never heard of it before. >> 25i was a chemical only made illegal in the u.s. two months before tara died. it can cause hallucinations like lsd but in tara's case it also led to seizures, respiratory distress and ultimately cardiac arrest. it sometimes goes by the street name, end bomb or smiles. detectives were about to show us the doses they seized in tara's case. >> this is this size of that. >> that's the drug on that little tiny pink piece of paper. it's smaller than my pinky fingernail. >> typically packaged in tiny pieces of tinfoil it almost looks like trash but inside the drugs are so potent, investigators have to handle them with gloves. >> the reason that the detective and i are wearing gloves, if you touch that you could absorb that and