Derek Medina Facebook Murder UPDATE: Online Messages Released Detail Jennifer Alfonso's Fight With Medina Hours Before Her Death (READ THEM)

Facebook messages between Jennifer Alfonso and a friend hours before her murder may gave insight as to why Derek Medina allegedly shot and killed her.

Medina, 31, is charged with the second-degreee murder of 26-year-old Alfonso. He allegedly shot her his wife and posted the photo of her dead body on his Facebook account:

"Im going to prison or death sentence for killing my wife love you guys miss you guys take care Facebook people you will see me in the news," he wrote. "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," Medina posted the day of the alleged murder.

The online messages between his wife and a friend were released on Tuesday, NBC 6 reports:

"I feel like I'm begging for him to hang out with us.. I already no what his excuse is going to be," Alfonso wrote to friend Kelly Barry.

"Its stupid sh-- like this that makes me think crazy sh-- you no.. like it doesn't do anything now but later on it will eat away at my brain," she wrote later.

Alfonso also wrote to Barry her husband left without saying anything.

"We fought," she wrote. "He doesn't give a sh--. He called me a b--ch LOL."

"He said I was inconsiderate," Alfonso wrote, her last words to Barry. "I feel like I want to leave."

The Miami Herald reports investigators released surveillance footage shot inside the home that shows the gunpowder in the air from the shots that killed Medina’s wife. Alfonso’s 10-year-old daughter was in the home during the time of the alleged murder, but was found unharmed.

Medina also faces charges of shooting a deadly missile and child neglect without great bodily harm. Medina’s trial date is set for Nov. 4.

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