It's the clintinoid language of denial in the mode of "mistakes were made" "a burocratic snafu" "inadvertent" "It's a VRW conpiracy" "Depends on what is, is." RATs are scum and they keep proving it day after day!
Recently I heard a clip of Clinton being asked "Did you know that XXXX was happening?" Clinton's response was something to the effect of "I'm not aware of any evidence to that effect". I don't remember the exact wording of the question or answer, but I do recall noting that the question asked "DID you know..." [past tense] while the response was definitely present-tense.
My interpretation: "Yes I did know that, but I'm not aware of any evidence that I haven't destroyed."