“Police are looking for someone who is an avid hunter or may have formal firearms training with a rifle”.
In PA,. that’s 1/2 of the population.
When does hunting season start?
WOODCHUCKS (GROUNDHOGS): No closed season, ...except on Sundays and during the regular firearms deer seasons. No limit.
PORCUPINES: Sept. 1-March 31, except during overlap with the regular firearms deer season. Daily limit of three,
http://www.portal.state.pa.us/portal/server.pt?open=514&objID=576240&mode=2