Martin Shkreli, former CEO of Turing Pharmaceuticals LLC, is sworn in to testify at a House Oversight and Government Reform hearing on "Developments in the Prescription Drug Market Oversight" on Capitol Hill in Washington February 4, 2016. Shkreli invoked his Fifth Amendment right against self-incrimination and declined to answer questions on Thursday from U.S. lawmakers interested in why the company raised the price of a lifesaving medicine by 5,000 percent.  REUTERS/Joshua Roberts TPX IMAGES OF THE DAY - RTX25HGY
iJoshua Roberts/Reuters

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