January 6, 2013 8:10 pm Murder Witness Beaten to Death in West Philly Police are investigating the death of a man who they say was beaten by a group of men in West Philadelphia. Sources tell NBC10 the victim was a witness in a murder trial last year. US & World Videos 8:59 Raise a julep to the Kentucky Derby: The Lineup 0:32 Five people arrested in 2006 Philadelphia cold case 0:19 Body of missing kayaker found in the Schuylkill River 2:00 Police officer placed on administrative duty after killing dog that attacked a man 0:51 Police officer shot and killed 1 of 4 dogs that attacked a 53-year-old man