• Nick Reiner has pleaded not guilty to murdering his parents, Rob and Michele Reiner.
• He faces two counts of first-degree murder stemming from their deaths in December.
• If convicted, Reiner could face the death penalty or life without parole.

Nick Reiner, 32, formally pleaded not guilty in a Los Angeles court on Monday to two counts of first-degree murder concerning the fatal stabbings of his parents, renowned director Rob Reiner and his mother Michele Singer Reiner. The plea was entered by Deputy Public Defender Kimberly Greene, marking a significant step in the high-profile case that has captured public attention since the tragic deaths that occurred at their home in the Brentwood neighborhood of LA on December 14, 2022, according to CBS News and BBC.

During the arraignment, which was notably attended by a packed courtroom, Nick Reiner appeared in brown jail attire and was held behind glass as he listened to the proceedings. Prosecutors allege that he fatally stabbed both parents inside a bedroom of their home, with the autopsy revealing that Rob, 78, and Michele, 70, died from "multiple sharp force injuries." If convicted, Reiner faces potential penalties of life in prison without the possibility of parole or the death penalty, depending on the decisions of the District Attorney, according to Channel News Asia and South China Morning Post.

Reiner is currently being held without bail and is set to appear in court again on April 29, where a preliminary hearing will be held to determine if there is sufficient evidence for the case to proceed to trial. His previous attorney, Alan Jackson, a high-profile figure in Hollywood legal circles, withdrew from the case earlier due to undisclosed circumstances, asserting his belief in Reiner's innocence based on California law, as reported by Channel News Asia and SCMP.