ST. PAUL — The Hennepin County Sheriff’s Office has put DNA testing at its crime lab on hold as it works to determine the source of “sporadic DNA contamination.” The sheriff’s office said it appears ...

Brittni Montano hopes for a break in her son’s case every day. She has been since November of 2023. That’s when she learned her 24-year-old son John Gabaldon III, also known as Tre, was murdered.

It was technically a successful scientific discovery when analysts at the Hennepin County forensic science lab recognized there was a contaminant somewhere in its DNA process. That did not lessen the ...

A Richmond-based laboratory incorrectly analyzed DNA evidence in as many as 580 cases from across the state over five years before an inaccurate system setting was discovered in January 2022 and ...