Shkreli refuses to answer questions
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Martin Shkreli refuses to answer questions in Congress

Martin Shkreli, former head of Turing Pharmaceuticals, refused to answer questions at a congressional hearing focused on the company's drug pricing policy.

He invoked his constitutional right against self-incrimination.

Congress is investigating Turing's 5,000% price increase of a drug, Daraprim, used by many Aids patients.

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