David Klem, Michael Ball and All four individuals surrendered to police on Thursday (February 11), CBS Pittsburgh. “Members of the PSP take an oath to seek justice without consideration of class, color, creed, or condition, and that means conducting thorough and unbiased investigations into our own troopers when necessary,” said Colonel Robert Evanchick, commissioner of the Pennsylvania State Police in a statement obtained by CBS Pittsburgh. “The criminal conduct uncovered in this case betrays the trust of the communities we serve, and we hope the investigation and the resulting ch...