Nick Reiner‘s petition to access the $1.5 million trust fund, as he faces murder charges in his parents’ killings, has been blocked by trustees. Reiner, 32, has been indicted for the murders of his parents, Rob Reiner and Michele Singer Reiner, in their Brentwood home in December 2025. He pleaded not guilty to the initial murder charges in February as well as to the new charges added on Wednesday and remains in custody in L.A. He filed a probate petition in June to access some of the trust, which his late parents established, to rehire powerhouse attorney Alan Jackson to defend him in his upcoming criminal trial. Jackson withdrew from…