[Granny Bear]

He has already testified that he gave those to a Professor at Columbia University and urged him to "leak" them to the NYT:

"Earlier this month, Comey testified before the Senate Intelligence Committee that he gave one of his memos regarding a meeting with President Trump to a friend, Columbia University Professor Daniel Richman, who then leaked the contents of the memo to the New York Times.
“I asked a friend of mine to share the content of the memo with a reporter—I thought that might prompt the appointment of special counsel,” Comey said in his testimony"