DOJ continues to investigate opioid drugmakers Sean Kirkby 7 years ago Sen. Ron Johnson, R-Wis., (left) and Attorney General Brad Schimel (right) talk to reporters in Hartland in August 2016. The state Department of Justice continues to investigate the role pharmaceutical manufacturers played in creating the opioid epidemic.To access this content, you must purchase a Premium membership, or log in if you are a member.