Messenger of Death

Children play outside a rural Colorado home. They belong to Orville Beecham Charles Dierkop and his three wives. Two masked men pull up in a truck and wait for the children to go inside. They proceed to kill the three mothers, who are sister wives, and then the kids. The police arrive before the father, Orville, who returns to find his family massacred.Arriving on the scene with the chief of police, Barney Doyle Daniel Benzali is a Denver newspaper reporter, Garret Smith Charles Bronson. They were having lunch with a wealthy local businessman, Homer Foxx Laurence Luckinbill, to discuss how to get Barney elected Denver mayor when Barney was called about the murders. ........

Source: Wikipedia