In the past 20 years, he has handled a wide variety of high-profile criminal cases, including the "Pictured Rocks Murder" trial featured on a special edition of Dateline NBC. His cases have been written up in The Wall Street Journal, The New York Times, Michigan Lawyer's Weekly, the Michigan Bar Journal, as well as state and local news.
He is an author and lecturer and has presented at seminars sponsored by the Criminal Defense Attorneys of Michigan as well as the Michigan State Police and written articles for the Institute of Continuing Legal Education. He was twice elected to serve on the Family Law Council for the State Bar of Michigan.
His judgment, legal expertise, and honest reputation have been recognized by the judges of the Michigan Court of Appeals who have appointed him as a settlement facilitator for domestic relations cases, the judges of the U.S. District Court who appointed him as a qualified civil mediator, and the members of the American Arbitration Association who appointed him as a neutral arbitrator for construction disputes.
In addition to being a partner in the Marquette law firm Numinen, DeForge & Mathieu, PC, Karl is Of Counsel to the Barone Defense Firm, Michigan's premiere DUI defense firm.