There is an interesting thread on the DC subreddit about an attempted home break-in last night near Upshur and 14th Street. Reddit user itsmywanderingmind writes that her roommate came home late at night, and was followed by a man back to their shared house. The man tried to open the door several times, the roommates called MPD, but the man ended up leaving before police arrived. 

The roommates found themselves a bit frozen with what to do ("standing around frantically" is the pretty descriptive phrase she used in her post). Commenters on Reddit made some suggestions on what to do...