Acclaimed filmmaker Rob Reiner, 78, and wife found dead; homicide suspected.

• Rob Reiner, acclaimed filmmaker and actor, has died at 78.
• Reiner and his wife, Michele Singer, were found dead at their Los Angeles home.
• Authorities are investigating their deaths as an "apparent homicide."
• Reiner directed iconic films including "The Princess Bride," "When Harry Met Sally …," and "This Is Spinal Tap."
• He was also known for his role as Michael "Meathead" Stivic in "All in the Family."

Why It Matters: Iconic filmmaker Rob Reiner and wife found dead in apparent homicide.