An internal investigation of casework is ongoing but has already identified approximately 75 cases that have been impacted.

At least 75 DNA samples may have been impacted by a reported contamination at the Hennepin County Sheriff's Office crime lab.

Dozens of DNA samples in Hennepin County's crime lab could have been contaminated by outside materials, the sheriff's office said on Monday.

The Hennepin County Sheriff's Office said approximately 75 samples are potentially impacted by the contamination.

At least 75 DNA samples at the Hennepin County Sheriff's Office forensics lab have potentially been contaminated.

The Hennepin County Sheriff’s Office has paused all DNA casework while it investigates contamination in their crime.