Robert Alan Durst (April 12, 1943 – January 10, 2022) was a convicted murderer, a suspected serial killer, and an American real estate heir. The eldest son of New York City real estate magnate Seymour Durst, he garnered attention as a suspect in the unsolved 1982 disappearance of his first wife, Kathleen McCormack; the 2000 murder of his longtime friend, Susan Berman; and the 2001 killing of neighbor Morris Black.
https://en.wikipedia.org/wiki/Robert_Durst