The city of Baltimore collects hundreds of millions of dollars each year – in property taxes and water charges. But how does it collect from people who don’t pay? One way, taking place this Monday: the city auctions the debt off to investors. We explore how it works and what it means for homeowners.

Then, after Ferguson, Missouri and the protests of Freddie Gray’s death, archives are popping up – archives of social media and crowd-sourced materials. We ask archivists involved: why they’re doing it … and what’s at risk of being left out of the historical record.

Plus, we re-visit conversations of two years ago with hip-hop artist Auddio Viddeo and with Baltimore Police Lt. Col. Melvin Russell, who heads up the department's community partnerships unit. Where are the lines in Baltimore police-community relations?