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 the contamination may be linked to “an ...

A lab that handles tens of thousands of dollars worth of DNA testing in police investigations plans to soon stop accepting out-of-state samples, a move that officials say poses a problem for Arkansas and could add hefty new fees for local law enforcement ...