Derek Medina claimed self-defense during his murder trial

By Chris Harris
Updated November 25, 2015 04:05 PM
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Credit: Walter Michot/AP

A 33-year-old Florida man is facing life behind bars after being convicted Wednesday in the 2013 shooting death of his wife, PEOPLE confirms.

The jury returned its guilty verdict against Derek Medina Wednesday afternoon, according to a spokesman for the prosecution.

Medina was nicknamed the “Facebook Killer” by Miami media outlets after he posted a picture of his slain wife Jennifer Alfonso’s corpse on the social network.

Medina claimed during his trial that he killed his wife in an act of self-defense.

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Miami-Dade State Attorney Katherine Fernandez Rundle says in a statement to PEOPLE that “no family should ever have to see their daughter killed and then exhibited worldwide on the internet like some macabre trophy to a husband’s anger as was Jennifer Alfonso.”

The statement continues: “Far, far too often this kind of domestic violence leads to injury and death. That’s why we all must end all forms of domestic violence. The jury carefully viewed all the evidence and came to the correct conclusion that Derek Medina coldly murdered his wife to heal his own injured ego.”

The state attorney says prosecutors will be seeking a life sentence when Medina is sentenced on Jan. 11, 2016.