Robert Durst, the notorious subject of HBO docuseries The Jinx who was convicted last month of first degree murder , faces life in prison without parole when sentenced in courtroom California hearing Thursday. Durst, 78, was convicted by a jury on September 17 of shooting his best friend Susan Berman in 2000 at her Beverly Hills home, hours before he was killed. she was to speak to the investigators of the mysteriousdisappearance of his first wife, Kathleen McCormack Durst, who was last seen in 1982.The eccentric heir to a true New York real estate empire, Durst testified in his months-long trial and denied killing McCormack Durst and Berman. He said he found Berman on his bedroom floor with a fatal gunshot to the back of the head, but under cross-examination Durst testified that he would perjure himself if he killed them. Questions from prosecutors also prompted Durst to admit that he had perjured himself five times during the trial. Susan Berman and Robert Durst from mid to late 1990s. In addition, a longtime friend of Durst and Berman, Nick Chavin, testified that the accused told him, It was her or me, referring to Berman. I didn't. had no choice. ”In knowr more These nine words sum it all up, Prosecutor Habib Balian said during closing arguments. As part of their verdict, jurors agreed that the crime encountered special circumstances in the California law, which allows Durst to be sentenced to life without parole, for the murder of a witness to a felony, by hunting and using a gun in the murder. California has a moratorium on the death penalty. Durst 's health has deteriorated significantly in recent years. He has bladder cancer and has had several surgeries, including the insertion of a shunt in his head to relieve pressure on his brain He was in coronavirus quarantine in prison at the timethe jury announced the guilty verdicts, his lawyer said. Robert Durst, millionaire who was at the center of HBO documentary 'The Jinx, ' convicted of first degree murder The conviction comes years after Durst's infamous role in the 2015 HBO documentary The Jinx In the show 's final moments, Durst entered the bathroom, apparently not realizing not that his mic was still on, and made a series of comments that sounded like an admission. There you are. You're caught, he said in a series of seemingly unrelated sentences. He was right. I 'was wrong. What did I do? I killed them all, of course, he said. However, transitions of the audio recording in court revealed that the quotes were pasted and edited to be in a different order and context, The New York Times reported. Durst said he was high on methamphetamine while recording the documentary. McCormack Durst was declared legally dead in 2017. His body has not been found and no one has been charged in this case. Berman 's death is not the first in which Durst was tried. In 2003, Durst told police he had killed and dismembered a neighbor in Galveston, Texas, two years earlier. He said he shot the man and cut him up in a panic. Prosecutors said he wanted to steal the man's identity. the man and escape the investigation into his wife's disappearance.Durst said the murder was in self-defense, that he panicked anddecided to cut up Morris Black's body and throw the pieces away. He was acquitted. CNN's Eric Levenson and Paul Vercammen contributed to this report.