sweating. >> my opinion is that pcp ingestion can cause psychosis. and on some occasions, violent or aggressive behavior. >> did he make all the right choices? no. >> in closing statements, hernandez's lawyer admits his client may have helped cover up a murder, but insists he did not commit it. >> he was a 23-year-old kid, who witnessed something committed by somebody he knew. he really didn't know what to do. so he just put one foot in front of the other. >> keep in mind, he's not charged, being an accessory after the fact. he's charged with murder, and that he did not do. >> i think odds are, hernandez will be convicted. but it's not a slam dunk case. there is still no gun. >> jurors got the case on