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Man accused of killing ex-girlfriend's fiancé details day of shooting, weeks leading up to it

Posted at 6:33 PM, Mar 07, 2024

The man accused of murdering his former lover's fiance took the stand for a second day in court.

On Wednesday, Jesse Alvarez had testified that his undiagnosed autism and obsessive compulsive disordercontributed to his obsession with his ex, Amy Gembara.

On Thursday, Alvarez described the shooting from his perspective and the weeks leading up to it. In the early morning of February 1st 2021, he said he drove to the apartment of Cathedral High school teacher Mario Fierro, who was recently engaged to Gembara. Alvarez testified that he shot Fierro after Fierro started hitting him first.

"He got his fingers around the trigger and he pulled it and the gun discharged and I screamed because I was so afraid,” said Alvarez.

But prosecutors say Fierro's murder was premeditated — arguing that just five hours after a photo was posted on social media showing Amy Gembara and Mario Fierro happily engaged, Alvarez began Google searching phrases that included: “how to hire a hit man,” “how to commit the perfect murder,” "how police can track you through your phone,” and "how to shoot someone with a 9mm glock."

In response to the prosecution's questions about those searches, Alvarez responded: “Those Google searches you keep referring to are things that are very obvious. I mean… how to shoot someone with a 9mm… You pull the trigger, right?”

Alvarez appeared calm and collected as he answered questions and admitted to shooting Fierro six times before leaving the scene. He also admitted to signing up for shooting lessons and in relation to his ex, admitted to having an "unhealthy obsession with trying to be in her life."

His defense attorneys are arguing that undiagnosed autism and obsessive compulsive disorders contributed to Alvarez’s words and actions.

The defense also called a forensic psychologist to the stand who evaluated Alvarez following his arrest and confirmed she diagnosed him with both Autism Spectrum Disorder and Obsessive Compulsive Disorder.

Court will be back in session on Friday morning for closing arguments.