FILE – In this Oct. 1, 2015 file photo, AIDS activists pour cat litter on an image of Turing Pharmaceuticals CEO Martin Shkreli in a makeshift cat litter pan during a protest highlighting pharmaceutical drug pricing in New York. Shkreli, the former hedge fund manager under fire for buying a pharmaceutical company and ratcheting up the price of a life-saving drug, is in custody following a securities probe, Thursday, Dec. 17, 2015. (AP Photo/Craig Ruttle)