Lauren and Mark Singer, founders of Chicago Crime Tours, were featured on WGN's Jonathan Brandmeier show Tuesday August 20, 2013 around 9:15 a.m. CST.  The segment is available for listening on the show's website. Listeners tuned in for trivia, prizes & discounts. Chicago Crime Tours also shared the details of the new Untouchables Tour & Speakeasy Bar Crawl on the show. The phone lines lit up with callers.