Pakistan might be involved in this one, they might not be. I don't know. But that clip isn't evidence either way. He's quite insistent that Pakistan wasn't involved in the topical attacks. And indeed that the attacks may not have happened at all. He can't be admitting responsibility to something that he doesn't believe has happened done by groups he claims don't exist.
[0] Add some allowance for English apparently not being his native language - he was reiterating points from earlier in the interview.