Nick Reiner made a brief court appearance at a hearing Wednesday in Los Angeles in the murder case involving the deaths of his parents, the late director Rob Reiner and his wife Michele Singer Reiner. Reiner, who pleaded not guilty to two counts of first-degree murder with the special circumstance of multiple murders in the deaths of his parents in February, wore a yellow jail smock and only spoke when asked if he would waive a deadline to hold a preliminary hearing, according to Variety, NBC News and the Los Angeles Times."Uh, yeah," he said, Variety reports.