Joe Mahr

Joe Mahr is an investigative reporter who has written about topics ranging from government corruption and court mismanagement to lax policing efforts and questionable lottery tactics. An Ohio University graduate, Mahr joined the Tribune in 2009. He was on a team that won a Pulitzer Prize in 2004 and on another that was a finalist in 2015.

All Stories

Thomas Sierra was exonerated after spending 22 years in prison on a murder conviction. The city fought his lawsuit for more than six years before agreeing to a $17.5 million settlement. (Brian Cassella/Chicago Tribune)

Court battles hit taxpayer wallets

The costs of Chicago police misconduct have grown enormous as the city settles lawsuit after lawsuit using expensive private counsel to handle most of the work.