Originally Published: 10 JAN 22 14:39 ET

By Paul Vercammen and Faith Karimi, CNN

(CNN) -- Robert Durst, the eccentric millionaire who fascinated viewers as the subject of HBO's documentary series "The Jinx" before being convicted last year of murder, has died in a California prison hospital, long-time attorney Dick DeGuerin tells CNN's Paul Vercammen. He was 78.

This is a developing story and will be updated.