LEBANON – A third suspect in a triple homicide in Lebanon has been arrested by the U.S. Marshals Service. 27-year-old Ivan Rosero was taken into custody in Pennypack Park in Philadelphia. He faces homicide, conspiracy, and other charges in the June 30th shooting. His girlfriend, 34-year-old Tiffany Koziara, was charged with hindering the apprehension of a fugitive. Authorities say Rosero admitted to firing multiple shots during the incident that claimed the lives of an 8-year-old and his 9-year-old brother along with a 19-year-old man. He also admitted that he drove himself and the other shooters to and from the murders in a white BMW. Two other men have been charged with the homicides and are in prison.