Sheila Cricket Birl was 19 when her body was found along Interstate 76 near Weld County Road 51, in the vicinity of Hudson, Colorado, on October 25, 1979. Her death was investigated as a homicide from the time of discovery.

Despite an inquiry by law enforcement, the person or persons responsible for Sheila Birl’s death were never identified and no arrests have been made. The case went cold, and investigators have periodically revisited the evidence hoping new leads or technology might help. The Weld County Sheriff’s Office continues to ask anyone with information to come forward.

If anyone remembers Sheila, her movements in October 1979, or saw anything on I-76 near Weld County Road 51 that day, please share what you know with investigators.