Trace Evidence

When thirty-two year old Shirley McAvoy didn't show up for her youngest daughter's birthday everyone knew something was wrong.  After being unable to reach her, Shirley's estranged husband, Brian, reported her missing to the Pittsfield Police Department in Maine.Initially, investigators found nothing to indicate a crime had been committed and did little other than issue a statewide bolo for Shirley and her car.  Thirty-four days later, a massive puddle of blood was discovered in Shirley's home.Friends and neighbors told a strange tale about a man who called himself "Jerry."  Jerry moved into Shirley's home just days before her disappearance and gave many different, contrasting stories about his background.  He was missing, too.Detectives soon learned that Jerry had been involved in an accident in Shirley's car in Boston the day after she was last seen alive.  One month later, the mother of two was found dead in a rural area of Virginia.  For detectives, solving the disturbing case appears to hinge entirely on