she maintains a 3.0 average, she'll be fine. >> reporter: gianna says she wasn't interested in cosby's money. but she did want the name of the drug he'd given andrea. she'd asked him for that in their previous phone call. >> are you really gonna send me on that piece of paper the name of that stuff or not. or were you joking? >> oh, no, no, no, no. we can, we can talk about what you asked for later. >> okay. >> okay. >> okay, just because i'm concerned. i, i don't know how it affected her and i wanna know. >> i don't think so. i wouldn't even worry about it if i were you. i'm serious about this. let's get with the other thing. okay. >> reporter: the conversation ended. days later, andrea was interviewed by police in pennsylvania. she hoped cosby would be charged. but that didn't happen. in a dramatic development, the montgomery county district attorney said he would not file