large, gaping hole in it. someone had thrown a rock through the doors. and the size of the breakout in the glass could accommodate a grown person walking in and out through that opening. >> right off the bat, i was pretty sure we were dealing with a murder scene. >> there was a spent shell casing on the floor and the spent bullet was found in the pillow, under vaughn's head. >> the bullet had six grooves with a right twist, which would commonly indicate a smith & wesson semi-automatic .9 millimeter handgun. >> the motive for the murder was unclear. >> the television was on. there was a remote control still intact. there was no indications of doors opened, where somebody ransacked, was searching for something, whether it be jewelry or money. so, there was no indications at all of a burglary. >> leslie vaughn was just 44 years old. >> my first thought was this was a hit. >> just a day earlier, a federal