Rudolph Mohr, on far left in the rear. Chosen for the Grand Jury for the Abe Ruef graft trial. SF Chronicle, 20 Mar 1907. Posted on 5 September 20195 September 2019 by Sunnyside History Rudolph Mohr, on far left in the rear. Chosen for the Grand Jury for the Abe Ruef graft trial. SF Chronicle, 20 Mar 1907. Published by Sunnyside History View all posts by Sunnyside History