Nick Reiner's Addiction: A Family's Private Struggle Ends in Public Tragedy

• Filmmaker Rob Reiner and writer Michele Singer Reiner were stabbed to death in Los Angeles.
• Their son, Nick Reiner, 32, has been arrested in connection with the case and is in custody.
• Nick Reiner had a nearly two-decade-long struggle with drug addiction, including multiple rehab attempts and periods of homelessness.
• Friends described Rob and Michele Reiner as desperate and exhausted from managing their son's addiction crisis.
• The film "Being Charlie," co-written by Nick and directed by Rob, was based on Nick's addiction experiences.

Why It Matters: It underscores the devastating public impact of a family's private addiction battle.