WELD COUNTY, CO. (THECOUNT) — Marcos Vallejos, of Greeley, Colorado, has been identified as the suspect in a grisly sex assault and murder of a young woman working at NOCO Nutrition in Weld County on Friday.

Vallejos, 24, who had been arrested in Weld County at least twice in the past year – first on suspicion of second-degree burglary and criminal mischief in November 2021 and again on warrants three months later – was booked into the Weld County Jail on first-degree murder and sexual assault charges in connection to the murder of the 22-year-old NOCO Nutrition clerk Friday night.


According to reports, officers responded to a report of suspicious activity at NOCO Nutrition, 1990 59th Avenue in Greeley around at 7:56 p.m. Friday. When they arrived, they found the business had been broken into and the employee who was supposed to close the business was missing. They also discovered what appeared to be a large amount of blood.

The employee’s vehicle which was missing was later located at 10:34 p.m. near 20th Street and 71st Avenue. The young woman was then found deceased in the back of the vehicle.

The victim has only been publicly identified as “Angie.”

Anyone with possible information on this case should contact Detective Onderlinde at (970) 350-9676.


Geo quick facts: Weld County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 328,981. The county seat is Greeley. Weld County comprises the Greeley, CO Metropolitan Statistical Area, which is included in the Denver–Aurora, CO Combined Statistical Area – Wikipedia.

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