suit. cosby testified in a sworn deposition before they reached a confidential settlement. fast forward to 2015. that deposition was unsealed, revealing cosby had admitted giving drugs to women he wanted to have sex with. prosecutors reopened the criminal investigation and days before the statute of limitations ran out, cosby was charged in criminal court. pennsylvania defense attorney brian represented cosby from the beginning. he pleaded not guilty. a first trial last year-ended in a hung jury. >> she's entitled to a verdict in this case. >> reporter: now a new trial with some big differences. a new defense team for cosby led by tom mezaro who got an acquittal in 2005 for michael jackson in his child molestation trial. before representing cosby in 2015, mezaro told cnn how he