ABC’s 20/20 recently revisited a Montgomery County case that haunted the Chevy Chase community for more than two decades– the 2001 murder of 49-year-old Leslie Preer. The episode, titled “First Comes Love, Then Comes Murder,” walked through how advances in DNA technology helped bring long-awaited closure to Preer’s family. The episode premiered on Sept. 12th at and is now available to stream on Hulu and Disney Plus.