Shawn Michael Merkey, 48, of East Petersburg, was charged following the incident at a residence on the 2300 block of Valley Road, according to the release.
Officers were first called to UPMC Lititz on Friday, Jan. 2, after a man arrived with a gunshot wound to his hand. Police identified that man as Merkey, who told officers he was cleaning his firearm when it discharged inside his home, authorities said.
A minor and another adult were inside the residence at the time of the discharge, according to police…