BOULDER COUNTY - The Boulder County Sheriff’s Office, in collaboration with the Boulder County Coroner’s Office, concluded its investigation on May 27, 2025, into the tragic death of 18-year-old Megan Trussell, a student at the University of Colorado Boulder.

Megan Trussell was last seen leaving the CU Boulder campus on the night of February 9, 2025. She was reported missing three days later. On February 15, her body was discovered near the 40-mile marker on Boulder Canyon Drive.  

"The Office of the Boulder County Coroner, based on the examination and investigative findings available at this time, has issued an opinion that Megan Trussell died as the result of the toxic effects of amphetamine, and exposure to a cold environment (hypothermia) contributed to her death. It is a further opinion, that the manner of death is Suicide."

Based on the comprehensive investigation and forensic findings from the Coroner’s Office, Sheriff’s Office, as well as a review by the District Attorney’s Office, we have found no evidence to suggest that Megan was physically harmed or killed by another person.

 “We understand this investigation took longer than many hoped,” said Boulder County Sheriff Curtis Johnson. “This outcome is heartbreaking, and our hope is that the findings may bring some closure to Megan’s loved ones and to the broader community.”

The Boulder County Sheriff’s Office encourages anyone experiencing a mental health crisis, or who knows someone who may be struggling, to reach out for help. Free and confidential mental health support is available 24/7 by calling or texting 988 or chat online at 988lifeline.org.