Messenger of Death (1988)
Wifes and children of the Mormon Orville Beecham become victims of a massacre in his own house. The police believes the crime had a religious motive. Orville doesn't give any comment on the case, is taken into protective custody. Journalist Smith persuades him to help him in the investigation - and finds out about economic motives for the murder. based on novel or book, revenge, mormon, newspaper reporter, murder of family, investigative reporter
ETC.
