NBC 6 Miami

The trial of a Florida man accused of killing his wife and then posting a photo of her corpse on Facebook resumed Friday. Derek Medina, 33, of South Miami, is accused of killing 27-year-old Jennifer Alfonso in August of 2013.

State prosecutors allege Medina,"an undefeated, 200-pound amateur boxer who was much larger than his 5-foot-6 wife," killed Alfonso because she threatened to leave him. His Facebook post, state's attorney Leah Klein said, was his way of "claiming victory." Medina admitted to the shooting in the posting, claiming his wife had assaulted him.

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Medina is countering that he uploaded the photo in an attempt to show family what allegedly happened: That Alfonso pulled out a knife after the two began arguing. After supposedly disarming his wife, she attacked him again. Medina's defense attorneys are also claiming Alfonso abused drugs, battered her husband, and was involved in Satan worship.

Police say Alfonso's body "was found in a position indicating she was cowering in fear."

He has pleaded not guilty to first-degree murder charges, but nevertheless predicted in the post he'd end up in prison. “I’m going to prison or death sentence for killing my wife. Love you guys. Miss you guys. Take care. Facebook people you’ll see me in the news,” Medina posted along with the photo, according to the Miami Herald.

Medina faces up to life in prison if convicted.

UPDATE: Medina has been convicted of second-degree murder. He'll be sentenced in January.

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Rob covers business, economics and the environment for Fusion. He previously worked at Business Insider. He grew up in Chicago.