LEVITTOWN, Pa. — A man faces murder charges in Pennsylvania and carjacking and weapons charges in New Jersey after allegedly killing three family members, carjacking vehicles in both states and evading law enforcement for hours as police mobilized in two states, authorities said Sunday.Andre Gordon Jr., 26, is charged in Bucks County, Pennsylvania, with three counts of first- and second-degree murder, aggravated assault, robbery and other charges, according to court documents. In New…