Hillary Clinton’s unsecured server system likely contributed to the execution of an Iranian physicist accused of spying for the United States, the former head of an American mercenary firm said Monday.

“The physicist that came out, he defected, he was a treasure trove of information, but the CIA and the Clinton State Department botched it while he was in the States, left him pretty much unsupported,” Erik Prince, the founder and former CEO of mercenary firm Blackwater, told Breitbart News Daily host Stephen Bannon.