MADISON, Wis. (AP) — Local, state and federal law enforcement agencies have arrested 38 people in connection with a methamphetamine investigation in northeast Wisconsin.

According to a news release sent Tuesday, the seven-month investigation has focused on methamphetamine distribution spanning several counties and has involved the Brown County Drug Task Force, the state Division of Criminal Investigation and the U.S. Drug Enforcement Administration.

More than 100 officers from multiple departments served 20 search warrants, most in Green Bay.

Most of the 38 people arrested are expected to appear in court on Wednesday.