Police were called around 6:30 Tuesday night to this mobile home in the 3 thousand block of Wallaceville Road in Plum township, that's in Venango County.
Just minutes before, police received a 9-1-1 call from an adult in that mobile home saying their was a domestic dispute going on between his mother and her boyfriend.
The caller then told the 9-1-1 operator he just heard a gunshot.
When police arrived minutes later they found Shontz Jr. on the floor of the house.
He died before an ambulance arrived.
Police arrested 39 year old Tina Louise Shaffer. At this point she has been charged with one count of homicide and placed in the Venango county prison without bond.
Copyright 2017 Nexstar Broadcasting, Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.