Police said Monday, that after an autopsy done by Schuylkill County David Moylan on Saturday, it confirmed that Kammerdiener died of a self-inflicted gunshot wound to the head.
During the fire, Firefighters Marvin Gruber, 59, and Assistant Chief Zachary Paris, 36, both of New Tripoli and members of the New Tripoli Fire Company were injured and later died at St. Luke's Hospital in Coaldale.
West Penn Township Police say there are currently conducting interviews and are working closely with the Pennsylvania State Police Fire Marshall and ATF Fire Marshall and the investigation is ongoing.
This incident remains an active investigation. All evidence has been collected and will be processed in the upcoming weeks.