Why key witness in Robert Durst trial testified: 20/20 ‘The Devil You Know’ Preview

Nick Chavin testified that Durst, in 2014, confessed to killing their mutual friend Susan Berman. Chavin said his loyalties were torn and ultimately sided with Berman at Durst’s trial for her murder.

Stream the full 20/20 special “The Devil You Know” – now on Hulu: https://abcn.ws/3MdJt8b.
Read more: https://abcn.ws/3KZwx4m.