PHILADELPHIA — Waltkeem Jenkins still feels traumatized after being jumped five times as a teenager in South Philadelphia, and robbed once at gunpoint. His hardship, though, gives him credibility with patients at Philadelphia hospitals trying to better treat the lingering wounds of violent crime. As Philadelphia endures another year of near-record killings and nonfatal shootings, Temple University Hospital, Penn Presbyterian Medical Center and Einstein Medical Center are among the city hospitals adding staffers like Jenkins who can address the emotional, as well as physical, toll of violent c…
