Police in Philadelphia say a 21-year-old man, identified by one outlet as Silas Hanrahan, was shot and killed at the home of a 75-year-old man, George Barr, last Wednesday. The shooting occurred while the younger man was working at the residence, according to reports. After the incident, authorities took Barr into custody and now charge him with Hanrahan’s murder, the sources state. The reports also describe the victim as a suspected member of a “traveler conman gang,” a characterization attributed to police in the coverage. Details about the investigation’s motive, the circumstances leading up to the shooting, and the status of any additional charges or related suspects were not provided in the supplied text. The case remains an active investigation, and the reports reflect the positions of law enforcement as presented by the outlets.