NEW YORK - Notes taken by attorneys from Gibson Dunn & Crutcher during interviews of 21 individuals as part of its investigation into a hedge funds operator's alleged financial irregularities should be submitted for an in camera review, a federal judge in New York ruled after finding that the information is not protected by the work product doctrine (Perry A. Gruss v. Daniel B. Zwirn, et al., No. 09 Civ. 6441, S.D. N.Y.; 2013 U.S. Dist. LEXIS 165211).