On May 11, 2018, Community Service Officer Bill Walsh, one of the Department’s Evidence Technicians, received the Award of Criminal and Investigative Techniques from Northwestern University Center for Public Safety. He recently completed 200 hours of Forensic and Crime Scene Training which included advanced techniques inĀ evidence development, identification and collection; field and documentation photography; use of the forensic laboratory; bloodstain evidence in criminal investigations; documentation and reconstruction techniques to correlate blood stains and patterns with body trauma.