Rob Reiner's friend Dennis Maguire is opening up about his heartbreak following the murders of the director and his wife, Michele Singer Reiner - and what they bonded over before the tragedy. "Rob and I had good talks about father-son relationships. We both had rockstar fathers in the industry whom we idolized," Maguire told Business Insider on Wednesday, December 17. "His father (actor, director and screenwriter Carl Reiner) had a massive career, and my father (film executive, producer and assistant director Charles H.