Florida Self-Help Author Derek Medina Confesses to Murder and Posts Photo of Dead Wife on Facebook

Medina Posted This Photo of Jennifer Alfonso's Dead Body 

Miami, Florida

Facebook may have hit a new low. That is after self-help author Derek Medina confessed to murdering his wife and posting a picture of her dead body on Facebook.

Derek Medina posted the photo around noon Thursday, with the words "Rip Jennifer Alfonso."

Im going to prison or death sentence for killing my wife love you guys miss you guys takecare Facebook people you will see me in the news" my wife was punching me and I am not going to stand anymore with the abuse so I did what I did I hope u understand me "

An arrest affidavit by Miami-Dade Police reports that Medina and Alfonso got into an argument around 10:00 a.m., during which he grabbed a gun from a closet and pointed it at his wife. She reportedly told Medina she was leaving him before the dispute moved downstairs.

Once downstairs, Medina told police, Alfonso began punching him. He retrieved the gun from upstairs and again confronted his wife, prompting her to pick up a knife. He told detectives that when he took the knife away, his wife began hitting him again, at which point he shot her several times.

After first changing his clothes and making contact with relatives, according to investigators, Medina drove to the South Miami Police Department and turned himself in.

When officers responded to the home, they found Alfonso dead from apparent gunshot wounds.

They also found her 10-year-old daughter upstairs, physically unharmed.

Miami New Times reports Medina has authored a number of self-help e-books, including one titled "How I Saved Someone's Life and Marriage and Family Problems Thru Communication."