Exhibit A: Secrets of Forensic Science

After the dead body of a beautiful young woman is found in a stream, suspicion falls on a three hundred and fifty pound wannabe biker who was seen drinking with the victim the night before. But before police can make an arrest, they discover their prime suspect is destroying evidence. He is attempting to clean up the blood that will connect him to the murder, from the weapon, even from the inside of his car - by going through a car wash with the windows open! Can he really wash away all the traces of evidence or will the power of DNA analysis outwit him?