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Man pleads guilty in killing of teen during clothing sale

Jonathan Garcia and Matthew McMahon both pleaded guilty in the 2021 shooting of 18-year-old Fernando Perez.

THORNTON, Colo. — A man charged with murder in connection with the fatal shooting of a teen he had agreed to meet with to buy clothing pleaded guilty June 8 in Adams County District Court.

Jonathan Garcia, now 21, had been charged with first-degree murder but pleaded guilty to a lesser charge of second-degree murder, court records show.

He and Matthew McMahon were both initially charged with:

  • First-degree murder
  • Second-degree murder
  • Aggravated robbery
  • Conspiracy to commit aggravated robbery

They were accused of fatally shooting and robbing 18-year-old Fernando Perez the evening of Dec. 3, 2021, in the area of 101st Avenue and Clayton Street in Thornton. According to the District Attorney's Office, Perez was killed after the two men communicated with him on social media and arranged to meet him to purchase clothing.

Garcia was sentenced Aug. 15 to 28 years in prison, according to court documents. 

Credit: ACSO
Jonathan Garcia

McMahon pleaded guilty to second-degree murder in December and was sentenced in February to six years in the youth offender system and 18 years in the Department of Corrections.

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