Trial continues for man accused of killing Albuquerque teen in 2019 as one witness refused to testify


ALBUQUERQUE, N.M. (KRQE) – The trial for the man accused in a deadly shooting at a 2019 homecoming party is scheduled to continue Friday at 8:30 a.m. Izaiah Garcia, 20, is facing first-degree murder, aggravated assault and evidence tampering charges for his role in the 2019 shooting.

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The intended target of the shooting that left a Sandia High School student dead two years ago took the stand today, but he said nothing. Garcia is accused of shooting and killing 17-year-old Sean Markey, an innocent bystander, outside of a homecoming after-party in Sept. 2019.

Investigators say Garcia’s intended target was Christian Mattock, a man he had a feud with in school. Mattock, who’s in custody for a different case, took the stand this afternoon, but despite being offered immunity for what he might say, he still refused to testify.

“You also understand, sir, based on this order, I can hold you in contempt of court which includes having you serve a sentence in prsion,” Judge Brett Loveless asked Mattock on the stand. “Yes, your honor, I do,” Mattock replied.

“And in spite of that, it is your intention not to testify?” Judge Loveless continued. “No, I will not testify, your honor,” Mattock replied.

Judge Loveless says the court will pursue criminal contempt charges against Mattock for violating the order compelling him to testify and says it’s unclear if Mattock has fifth-amendment privileges when it comes to this case.

Today, the jury also heard from residents in the neighborhood where the shooting happened. Many described the scene as “mayhem” and “chaos” after the gunshots rang out.

Testimony wrapped up early on Friday after a roof leak started in the courtroom, following this afternoon’s rain. The trial is expected to resume Monday morning at 8:30.

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