When does Untitled Robert Durst docuseries return?

Robert Alan Durst was the eldest son of real estate magnate Seymour Durst. He was convicted of the 1982 disappearance of his first wife, Kathleen "Kathie" McCormack, and the 2000 murder of his longtime friend, Susan Berman; and the 2001 killing of his neighbor, Morris Black. Durst's conviction for Berman's murder was automatically vacated upon his death.