Nick Reiner to be arraigned on murder charges Wednesday in the deaths of his parents, Rob and Michele Reiner

CNN, KCAL, KCBS, MONA EDWARDS, GETTY IMAGES, KCAL/KCBS By Alli Rosenbloom, CNN (CNN) — Nick Reiner is expected to appear in a Los Angeles courtroom Wednesday, where he will be arraigned on murder charges for the deaths of his parents, Hollywood director Rob Reiner and producer Michele Singer Reiner. The 32-year-old is expected to enter