Florida’s “Facebook Killer” Could Face Life in Prison

By Guillermo Duralde,
Domestic News Assistant Editor

In today’s day and age, it seems that everyone you see and anyone you come across is in some way connected to the world that is social media.

People have been using social media for well over a decade now to express their feelings regarding anything ranging from the boring and mundane to major political or social events.

In August of 2013, social media was used for something that no one could have ever foreseen, an assailant documenting the murder of his victim.

That is what happened when former South Miami boxer, Derek Medina, posted photos to Facebook after shooting his wife, Jennifer Alonso, in their South Miami townhouse.

According to the Miami-Dade prosecutor, Leah Klein, it was not jealousy or money that caused Mr. Medina to murder his wife but rather, an overwhelming sense of pride during a heated argument.

Per the Miami Herald, In the middle of the argument, Mr. Medina went into his bedroom to retrieve his pistol that he kept, and when his wife saw the gun, she tried to defend herself, only to be shot eight times. However, Medina claims that she came at him, attempting to punch him.

In an act that caused this story to go viral and gain international attention, he proceeded to post the photos to Facebook with the caption reading “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.” He was correct in his assertion.

According to records from the police interrogations and the statements made by Mr. Medina, Mr. Medina said that he feared for his life, that his wife was posing a serious threat to his life, and that she was attacking him with a kitchen knife.

Prosecutors claim that as a boxer, Medina had no reason to be afraid and that this was a ridiculous claim.

He claimed that he was the one acting in self-defense. Per ABC News, In a voluntary statement given to police just hours after turning himself in for the murder he just committed, he stated, “she was repeatedly punching me and punching, and trying to get at my temple and neck…she was trying to take me out.”

The attorneys for Mr. Medina declined to make an opening statement today, November 10, 2015, with the intention of hearing all the evidence that the prosecutors had and explaining them all once the opening statements were finished.

Per the Miami Herald, they claim that his wife was the aggressor in the household, that he was “the husband of an aggressive ‘diva’ who longed to hurt him and called him ‘the woman’ in their relationship” and that she was also under the influence of the synthetic drug commonly referred to as “bath salts” which were found in the kitchen, contrary to the county toxicology report that “found no evidence of the drugs in her system.”

The prosecutor also stated that Mr. Medina had enough time to take the photos and call some of his work colleagues apologizing for not being able to come into work the next day because he just murdered his wife, but did not make the effort for someone to come and pick up their ten-year-old daughter Isabel, who was hiding in a room upstairs while this all took place.

In short, it seems from the opening arguments and preponderance of evidence against the defendant that the case for self-defense may not hold up during trial, where he could potentially be sentenced to life in prison for his crime.

The trial is expected to resume on Thursday.


A version of this article appeared in the Tuesday, November 17th print edition.

Contact Guillermo at



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