There's been a new update in the case of Rob Reiner and Michele Singer Reiner's murder. As we've been following, the famed director and his wife were slain in their Brentwood, California home. Immediately, rumors swirled their son, Nick Reiner (pictured above), was the one who committed the heinous act. He was promptly arrested. Now, per LAPD chief Jim McDonnell on Monday, Nick is indeed facing major legal action related to the murders: "We have our robbery/homicide division handling the investigation.