The victim has been identified as 21-year-old Zachary Taggart.
Taggart was found dead near 49th Street and Pearl Street on April 1 around 6 a.m. Police said he suffered a major trauma.
On April 2, police arrested Alan Moody, 21, and charged him with vehicular homicide and causing an accident involving personal death or injury.
Taggart’s cause of death is pending an investigation by the Boulder Police Department.
Anyone with information on this investigation is asked to contact the Northern Colorado Crime Stoppers at 1-800-222-8477.