In a new surveillance video, Nick Reiner was spotted walking near his parents, Rob Weiner and Michele Singer Weiner, at their Brentwood home.According to TMZ, the footage shows the 32-year-old screenwriter walking towards a hotel around the Santa Monica Pier. The video was shot in the early hours of December 14. However, it has not been clarified by the authorities whether the video was recorded before or after he allegedly murdered his parents. He was seen carrying a black backpack and wearing a hat.Other surveillance footage obtained by the New York Post shows him at a Brentwood gas station around 12:16 am on December 14. The video shows Nick Reiner dressed in blue jeans, a long-sleeved shirt, a baseball cap, and a backpack as he strolled calmly by the gas station.In footage obtained by ABC7, he was reportedly seen purchasing a drink from a convenience store. It was captured just moments before his arrest.Continue to read for more.More details explored as Nick Reiner faces arrest Nick Reiner has been charged with two counts of first-degree murder in connection with the alleged killings of Rob Reiner and his wife, Michele Singer Reiner. They were discovered dead at their Brentwood home on December 14. He is reportedly being held without bail.The charges were announced by Los Angeles County District Attorney Nathan Hochman on December 16. According to The New York Times, he said that cases involving family members were “some of the most challenging and most heart-wrenching cases that our office faces.” Hochman added that the maximum sentence could be the death penalty or life in prison without parole.The New York Times reported that Rob and Michele’s daughter, Romy, found her parents' bodies after she was alerted by a massage therapist who had been unable to reach the couple.75th Primetime Emmy Awards - Arrivals - Source: GettyThe other children of Rob Reiner and Michele Reiner released a statement following the death of their parents. They said:“Words cannot even begin to describe the unimaginable pain we are experiencing every moment of the day. The horrific and devastating loss of our parents, Rob and Michele Reiner, is something that no one should ever experience. They weren't just our parents; they were our best friends.”The statement added:“We are grateful for the outpouring of condolences, kindness, and support we have received not only from family and friends but people from all walks of life. We now ask for respect and privacy, for speculation to be tempered with compassion and humanity, and for our parents to be remembered for the incredible lives they lived and the love they gave.”Nick Reiner shared a troubled relationship with his parents. It largely stemmed from his problems with substance abuse and mental health issues, which began in his teens. He entered rehab around age 15 and went through approximately 18 treatment programs. He experienced periods of homelessness in multiple states and relapsed multiple times.Nick Reiner reportedly got involved in a tense fight with his parents at a party hosted by Conan O'Brien, a day before their murder. According to the guests and witnesses, he exhibited erratic and unsettling behavior.