Before Nick Reiner was arrested in connection to his parents Rob Reiner and Michele Singer Reiner's deaths, their son had been candid about how addiction contributed to their complicated relationship over the years. Rob and Michele, who wed in 1989, shared three children: Jake, Nick and Romy. (Rob also adopted ex-wife Penny Marshall's daughter, Tracy.) Nick started to struggle with drug use as a teenager, leading to his first rehab stint at age 15. After several relapses and treatment stints, Nick began to live on the street. "I was homeless in Maine. I was homeless in New Jersey.