Rep. Ratcliffe from Texas questioned Director Comey about this. He listed all the many times that evidence was electronically deleted or destroyed, included material under subpoena. Ratcliffe said, "this screams obstruction of justice." Here's what Comey had to respond to destruction of evidence under subpoena: "To ignore that which we don't have . . . we live in a fact-based world . . . so it's hard for me to react to these things you don't have . . . so that's my reaction to it." Ratcliffe's questioning is worth listening to in its entirety. link