[He] gave her $20 to drink the solution, police sources said.
Before drinking it, the woman asked Kobin whether it would hurt her and he said it wouldn't, sources said.
Ok, when someone PAYS you to drink something, and doesn't tell you what it is, that should be an automatic red light signaling danger. The fact that she fell for it and STILL drank it, I feel for her but that was a REALLY dumb move on her part.