OSAGE — An Osage man accused of sexually abusing a young man and then attempting to kill him to keep him from testifying was sentenced to up to 35 years in prison Monday.

Mark Retterath, 52, was found guilty by a jury in August of felony attempted murder, solicitation to commit murder and third-degree sexual abuse.

Investigators said Retterath decided to kill the victim, who was first abused as a teenager, with the poison ricin when the now-young man went to authorities with his allegations of sexual abuse.

Prosecutors say Retterath got the idea for the murder method from a friend, who’d seen a television character make ricin from castor beans and kill someone on AMC’s hit TV show “Breaking Bad.”

Judge Gregg Rosenbladt ordered Retterath to up to 25 years in prison on the attempted murder charge.

Rosenbladt sentenced Retterath to up to 10 years in prison for solicitation to commit murder.

He also ordered Retterath to spend up to 10 years in prison on the sexual abuse charge. He ordered this sentence to be served consecutively to the sentence for attempted murder.

 

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