Joe Otterson TV ReporterWhen Jamie Hector heard the true story of the dirty cops at the heart of the new HBO limited series “We Own This City,” it wasn’t the corruption that surprised him.“What surprised me was how well-documented it was,” Hector told Variety.“We Own This City” is based on Justin Fenton’s book of the same name. It tells the true story of the Baltimore Gun Trace Task Force, who routinely robbed drug dealers and citizens alike while also re-selling drugs they confiscated on the job.