I've been on two tours with American Legacy--the Newport Gangster tour and the Cincinnati Underground tour. We moved here a few years ago and still don't know much about the city. The Underground tour was GREAT. The two guides we had were funny and informative, and I learned a lot about what life was like in OTR. I would be willing to go on this tour again with friends or visiting relatives.
The Gangster tour was ok. It started out with a PowerPoint presentation (Underground tour didn't), and even though it was interesting, it wasn't as good as the first one. A lot of the locations we talked about are gone now, where in OTR the buildings are still there. It was a lot easier to imagine life in OTR vs. life in Newport. So this tour was good for a one time thing, but I wouldn't bring anyone back to it.