A U.S. Coast Guard vet turned OnlyFans model is headed to prison for decades after she lured a man she claimed raped her into the woods of a national park in Ohio and shot him in the back of the head.

Chelsea Perkins, 35, on Tuesday was sentenced to 22 1/2 years behind bars for the murder of Matthew Dunmire at Cuyahoga Valley National Park near Cleveland, the U.S. Attorney's Office for the Northern District of Ohio said in a press release . She pleaded guilty to second-degree murder in May.

"It was a coldly, calculated intention to cause his death," prosecutors said during the hearing, according to a courtroom report from local CBS affiliate WOIO .

Perkins claimed Dunmire had raped her a few years earlier in Virginia but there was not enough evidence to file charges.

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