Santa Maria Gang Member Sentenced to 50 Years for Murder

Alfredo Alaniz received two consecutive 25-year-to-life sentences for killing 19-year-old Mario Merino Gonzalez.

Published on Mar. 6, 2026

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A Santa Barbara County judge has sentenced a 25-year-old Santa Maria gang member, Alfredo Alaniz, to 50 years to life in prison for the 2021 murder of 19-year-old Mario Merino Gonzalez. Alaniz shot Gonzalez 16 times, 15 of which were in the back, during an argument on North Lincoln Street in Santa Maria. Alaniz was convicted of first-degree murder and found to have committed the crime for the benefit of a criminal street gang.

Why it matters

Gang violence and gun crime remain major issues in Santa Maria and other Central Coast communities, with the sentencing highlighting the serious consequences for those involved in such acts. The case also underscores the ongoing efforts by law enforcement and prosecutors to hold perpetrators accountable and seek justice for victims and their families.

The details

On May 16, 2021, at around 2 a.m., Alfredo Alaniz shot and killed Mario Merino Gonzalez, 19, on North Lincoln Street in Santa Maria. Alaniz shot Gonzalez 16 times, with 15 of the shots striking him in the back. The fatal shooting occurred during an argument between the two individuals.

  • On May 16, 2021, at about 2 a.m., the shooting occurred.
  • On Dec. 11, 2025, a jury convicted Alaniz of first-degree murder.
  • On March 6, 2026, the judge sentenced Alaniz to 50 years to life in prison.

The players

Alfredo Alaniz

A 25-year-old Santa Maria gang member who was convicted of first-degree murder and sentenced to 50 years to life in prison for the 2021 killing of Mario Merino Gonzalez.

Mario Merino Gonzalez

A 19-year-old victim who was shot and killed by Alfredo Alaniz in May 2021.

Judge Kristy Imel

The Santa Barbara County judge who sentenced Alfredo Alaniz to 50 years to life in prison.

John Savrnoch

The Santa Barbara County District Attorney who praised the work of detectives and prosecutors in the murder case.

Nicholas Harmon

The Deputy District Attorney who led the prosecution team in the case.

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What they’re saying

“This case involved the senseless and brutal killing of a young man, and the loss his family suffered was profound.”

— John Savrnoch, Santa Barbara County District Attorney (calcoastnews.com)

What’s next

The judge's sentencing of Alfredo Alaniz to 50 years to life in prison concludes the legal proceedings in this case.

The takeaway

The harsh sentence handed down to Alfredo Alaniz reflects the gravity of his crime and the ongoing efforts by law enforcement and the justice system to combat gang violence and hold perpetrators accountable in Santa Maria and the surrounding region.