Dario Ibarra-Arguello was 30 when he was fatally shot on July 25, 1999, in the 4700 block of Pecos Street in Denver, Colorado. The shooting ended his life and opened an investigation that, despite efforts over the years, has not produced any arrests or publicly identified suspects.

The case is treated as a cold case and remains open with the Denver Police Department seeking information that could lead to a break.

If anyone has information about Dario Ibarra-Arguello, the location on Pecos Street that night, or contacts who might help the investigation, please share what is known with Denver police.