Hollywood Icon Rob Reiner's Son Nick Arrested for Parents' Murder

• Nick Reiner, son of Hollywood icon Rob Reiner, was arrested on suspicion of murdering his parents, Rob Reiner and Michele Singer Reiner.
• Rob Reiner and Michele Singer Reiner were found stabbed to death in their Los Angeles home.
• The 32-year-old Nick Reiner has a history of addiction and a previously documented difficult relationship with his father.
• Rob Reiner was a celebrated actor and director, known for works such as "All in the Family," "When Harry Met Sally," and "The Princess Bride."

Why It Matters: Hollywood icon Rob Reiner's son's murder arrest reveals a shocking family tragedy.