A chance conversation at a class reunion resulted in a renewed investigation into the Feb. 13, 1977, murder of a North Charleroi teenager. And DNA evidence analysis led to criminal homicide charges filed in May against David Davoli, 54, of Charleroi and Robert William Urwin Jr., 54, of Dunlevy.
The two are accused in the death of Mary Irene Gency, who was 16 and pregnant with Urwin's child when she died.
Urwin, who decided against a jury trial, has placed his fate in the hands of Washington County Common Pleas Court Judge Paul Posonsky.
Davoli, who pleaded guilty to lesser charges based on a deal with prosecutors, testified on Thursday against Urwin.
Davoli said Urwin beat Gency to death after the three engaged in a night of sex and drugs. Deer hunters found Gency's body on Feb. 19, 1977, in a hayfield along Gun Club Road in Fallowfield Township. Her death was attributed to a skull fracture.
Retired state troopers who interviewed Urwin in 1977 and 1993 testified that he denied seeing Gency on the night she was killed. Urwin told the troopers that he was playing pool with friends, visited a friend and then went home that night.
Retired state police Cpl. Beverly Ashton said she took over the case in 2003. Ashton said Pam Nichols, Gency's sister, called …