Deborah Roberts sits down with ABC News contributor and crime reporter Pat Lalama to unpack the chilling particulars of the homicide of beloved American University professor, Sue Marcum. Learn how legislation enforcement lastly arrested Jorge Landeros after 12 years on the run. Listen to full episodes, together with "The After Show," on the 20/20 Podcast feed. Stream 20/20’s "The Hunt for Mr. Right" on Disney+ and Hulu, beneath Season 48.
