| Show U U. U S. S WILL PROBE THREATS AGAINST AGAI ST JURY MEMBERS ST. ST PAUL Minn Mimi Dec 2 UP UP- UP An An investigation of threatening letters let let- tens received by two members of the jury which acquitted the four Chicago Chicago Chi Chi- cago men accused of Wilham William Wil WU Ham liam J J. J Hamm Jr was promised today today to- to day dav by postal authorities T T. O. O Sundry foreman of the jury and Grant Lapham who received the thel l letters expressed but little concern over them A letter mailed In Minneapolis Min Mm- neapolis threatened Sundry with i death A typewritten pos postcard card mailed at al Lake CIt City Minn yesterday esterday to Lapham Lap Lap- ham read Too bad you weren't in California That's where they know how to to treat you and your friends |