Falls Township Police Department(FALL TOWNSHIP, Pa.) -- A Pennsylvania man accused of drugging his 72-year-old mother with fentanyl and fatally shooting her has been charged with her death, according to prosecutors. On Monday, Buck County prosecutors charged 28-year-old Sean Rivera with criminal homicide, kidnapping, aggravated assault and other crimes for the death of Carol J. Clark. According to officials, police were alerted of a domestic dispute Sunday between two brothers about the location of their mother. Rivera told his brother, Adam Clark-Valle, who lives in New York, that their moth...