Martin Shkreli arrested

Martin Shkreli, CEO of Turing Pharmaceutical, is brought out of 26 Federal Plaza by law enforcement officials after being arrested for securities fraud Dec. 17, 2015, in New York City. Shkreli gained notoriety earlier this year for raising the price of Daraprim, a medicine used to treat the parasitic condition of toxoplasmosis, from $13.50 to $750, though his arrest is not related to that price hike.

Attorney Evan Greebel, center, is brought out of 26 Federal Plaza by law enforcement officials after being arrested as a co-defendant with Turing Pharmaceutical CEO Martin Shkreli on charges of securities fraud Dec. 17, 2015, in New York City.

Martin Shkreli, second from right, CEO of Turing Pharmaceutical, is brought out of 26 Federal Plaza by law enforcement officials after being arrested on charges of securities fraud on Dec. 17, 2015, in New York City.

Martin Shkreli is belted into an awaiting car Dec. 17, 2015, after being taken into custody in connection with a securities probe in New York City.

Martin Shkreli, center, CEO of Turing Pharmaceutical, is brought out of 26 Federal Plaza by law enforcement officials after being arrested on charges of securities fraud Dec. 17, 2015, in New York City.

Martin Shkreli waits in a car Dec. 17, 2015, after being taken into custody in connection with a securities probe in New York City.