story. >> reporter: of course, that only raised more questions about the possibility of obstruction of justice. given comey's testimony before congress -- >> we're conducting an investigation to understand whether there was any coordination between the russian efforts and anybody associated with the trump campaign. >> reporter: benjamin wit s, a friend of james comey spoke to anderson cooper about how comey thought personal contact with the president was inappropriate. >> this is a guy with a story to tell. i think if i were donald trump, that would scare me a lot. he did feel like there were these numerous incidents where the president was kind of probing the edges of his defenses. and all in the service of making him a -- seeing whether you could make a loyalist out of him. >> reporter: it wasn't just james comey the president may have been trying to influence. in march, just days after comey revealed the fbi probe into