Dennis Koula, Merna Koula: Rich Parents Murdered For Inheritance Money By Greedy Son, Eric Koula, On ID's 'The Perfect Murder'

Traciy Reyes

Dennis Koula, the wealthy father who was shot dead in his Wisconsin mansion along with his loving wife, Merna Koula, will have his story told on Wednesday's The Perfect Murder on Investigation Discovery. This season, the Perfect Murder has riveted ID viewers with bizarre cases of crimes that almost went unsolved. The episode covering the Koula case is called "Prescription For Murder," and will tell the story of how a pair of wealthy parents ended up murdered in the safety of their posh home. Could this be the work of intruders, or is the killer someone much closer to their hearts?

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An autopsy report indicated that these deaths were not the result of natural causes. Dennis Koula had suffered a gunshot wound to the head and so had Merna. The couple had been dead for at least three days before they were discovered.

"It makes everybody a little uneasy in the neighborhood. I talked to them many times out here when they were walking through the neighborhood. They were very, very nice people, you know, can't say anything bad about them. It makes you really, really think really watching out when you do something outside or whatever. My wife and I were talking about it, yeah, saying, talking to the neighbors it does make everybody uneasy out here, you know, there's a lot of people out here probably never thought about locking their doors before. They are now."

This was the angle that prosecutors used at trial. They painted a portrait of Eric Koula as a man who was not willing to get what he had through hard work as his parents had done. Instead, he wanted it all now and decided that his parents were going to foot the bill.

A jury found Eric Koula guilty of the double murders and sentenced him to two life sentences with no chance of parole. Today, Eric Koula is still doing his time. His appeal was denied, according to NBC-15.

The Koula case was featured on an episode of CBS 48 Hours.

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