NEED TO KNOW Kenneth Washington's cause of death has been released, according to a death certificate obtained by PEOPLE The actor died at the age of 88 on July 18 and was best known for his role in the sixth and final season of CBS sitcom Hogan's Heroes He later took on several notable projects before retiring from acting and becoming a teacher in Los Angeles Kenneth Washington’s official cause of death has been revealed. According to a death certificate obtained by PEOPLE, the actor’s death was a result of cardiopulmonary arrest and prostate cancer. Cardiopulmonary arrest is when a...