Unholy Matrimony: A True Story of Murder and Obsession Mass Market Paperback – April 1, 1988 by John Dillmann 
 
26yr old Patricia Giesick was on her honeymoon in New Orleans, taking a midnight stroll with her husband, when she was tragically killed in a hit-and-run car accident. Her parents were devastated - she was their only child - but there seemed nothing to substantiate their wild claim that Patricia's death had been orchestrated by her husband. That is, until John Dillmann of the New Orleans Homicide Department decided to investigate. It was only a tiny discrepancy in the evidence that gave Dillman a lead. One question led to another, and very soon he uncovered a massive life insurance fraud. Then he met the strange, sinister Reverend Samuel Corey, a genuinely ordained vicar who also turned out to be a well-known massage-parlour king and shady business associate of Patricia's husband. But Jim Giesick, who alone held the key to Dillmann's investigations, had mysteriously vanished. Just how Dillmann managed to track him down and unravel one of the most twisted and premeditated murder plots ever devised, when everyone thought it was an unsolvable case, makes for an engrossing, real-life drama. 
 
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