"A collaboration among several street artists and Carol Ott, proprietor of the Baltimore Slumlord Watch blog, the group has painted murals on about a dozen vacant buildings in the city so far this summer."

"Each mural is accompanied by a QR code that directs mural viewers to a corresponding page on Ott’s Slumlord Watch blog, where she catalogs information on vacant properties, including the negligent landlords who own them." - Technically Baltimore