A woman accused of strangling her older sister to death and dumping her body in a river that runs through western New York has been found guilty of murder, according to court records. Jamie Busch was also found guilty on Tuesday, February 24, of two counts of tampering with physical evidence in connection with the death of her sister, Penny Busch, court records viewed by Us Weekly show. Prior to Jamie's trial, which lasted for about two weeks, she had pleaded not guilty to all charges, according to court records.