Rob Reiner's Son Nick Arrested for Parents' Murder; Addiction Battle

• Nick Reiner, son of director Rob Reiner, has been arrested for the murder of his parents, Rob and Michele Reiner.
• Rob and Michele Reiner were found dead at their Los Angeles home.
• Nick Reiner battled heroin addiction for years, starting at age 15, and had multiple stints in rehabilitation facilities.
• Rob Reiner directed the 2015 film "Being Charlie," which was inspired by Nick's struggles with substance abuse.
• Family members and friends expressed shock and grief, with some highlighting the couple's love for their children.

Why It Matters: Addiction's tragic grip led to a son murdering his parents.