DENVER — A longtime DNA scientist, facing a criminal investigation over “anomalies” in her lab work, testified in court as an expert witness at least 500 times – including in some of the state’s highest-profile cases. In at least 370 of those ...

Despite decades of chasing leads, investigators had been unable to identify the victim of a 1992 homicide on the North Side. Until now. Scientists used forensic-grade genome sequencing to build a comprehensive DNA profile and genealogy report to identify the victim.

Kati Weis is a Murrow Award-winning reporter for CBS News based in New Orleans, covering the Southeast. She previously worked as an investigative reporter at CBS News Colorado in their Denver newsroom. The Colorado Bureau of Investigation is releasing the ...

DENVER (KDVR) — A forensic scientist is no longer working with the Colorado Bureau of Investigation after “anomalies” were discovered in her DNA testing work. According to CBI, the former CBI employee is subject to internal affairs and criminal ...

A former Colorado Bureau of Investigation forensic scientist has pleaded not guilty to more than 100 felony charges.

A former Colorado Bureau of Investigation forensic scientist violated standard testing protocols and manipulated DNA test results in hundreds of cases, prompting further investigation into her decadeslong work, an internal affairs investigation found.

DENVER (KDVR) — The internal affairs report on a former Colorado Bureau of Investigation forensic scientist showed no evidence that the analyst crafted fake DNA profiles or matches, but that her coworkers have called her work into question several times ...