The shooter who assassinated conservative activist Charlie Kirk and then vanished off a roof and into the woods remains at large more than 24 hours later, as federal investigators appeal for the public's help.
Investigators obtained clues, including a palm print, a shoe impression and a high-powered hunting rifle found in a wooded area along the path the shooter fled.
But they have yet to name a suspect or cite a motive in the killing, the latest act of political violence to horrify the United States across the ideological spectrum.
Photos have been released of a 'person of interest', who was wearing a hat, sunglasses and a long-sleeve black shirt, with a backpack.
As well a $100,000 reward for information leading to an arrest suggests that law enforcement thought tips from the public