FILE &#8211; In this Sept. 30, 2014 file photo, Pennsylvania State Police Trooper fire a salute for 26-year-old State Trooper David Kedra during his funeral in Philadelphia. Kedra was shot in the chest after another trooper&#8217;s gun accidentally discharged Sept. 30, 2014, during a yearly training exercise at the Montgomery County Public Safety Training Complex in Conshohocken, near Philadelphia, state police said. The mother of a Pennsylvania State Police trooper accidentally shot by a firearms instructor can go forward with her lawsuit against the instructor after the Supreme Court declined on Monday to hear the case.   (AP Photo/Matt Rourke)