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An unusual plea deal for a Waukesha County insurance executive has landed Fond du Lac County's District Attorney in the sights of Wisconsin's lawyer ethics police.

Lawrence Schreiber, president of Anthem Blue Cross and Blue Shield of Wisconsin, had three different tests that showed his blood-alcohol level was well over the legal limit when he was pulled over in June last year on U.S. Highway 41 in his Mercedes-Benz. Schreiber, 48, later pleaded no contest to operating an aircraft with a prohibited blood alcohol content, first offense.

DA Dan Kaminsky defended the novel disposition. He called it a creative solution in a case with evidence problems.

But at least one county resident saw it as professional misconduct, and filed a complaint against Kaminsky in March with the Office of Lawyer Regulation, according to the Fond du Lac Reporter.

Christine Ewerdt, of Waupun, told The Reporter that she was copied on a notification letter the OLR sent to Kaminsky this week indicating it was starting a formal investigation. It tells Kaminsky he must submit a response, and information about exactly how the plea deal went down, to the OLR by June 27.

About 80 percent of grievances filed against lawyers with the OLR get dismissed before the formal investigation stage, agency director Keith Sellen told the newspaper.

Kaminsky told The Reporter that letter is standard procedure for the OLR, and he remains confident Ewerdt's grievance has no merit and will not result in any discipline action against him.