Rob Walters isn't a vigilante. But he doesn't mind the term "P.I." And every week he's patrolling Pittsburgh's Three Rivers in a flat-bottom boat, just to make sure everything is as it should be.
Lou has worked as a writer, reporter and radio producer for the past 10 years. He was The Allegheny Front's enterprise reporter in 2015 and is now its digital editor. His work has appeared on Here and Now, NPR's The Salt and Marketplace, and he is a semi-regular contributor to WHYY's health and science program, The Pulse. He now lives in Detroit.
