This wouldn’t surprise me in the least. It also wouldn’t surprise me if Khan did this on his own. He’s not the most reliable guy, from what I understand.
Musharraf was still a necessary evil. While he was not ay kind of ideal ruler (far from it), he restored order and was the best ally America could have had in Islamabad under the circumstances that prevailed at the time.
It’s called realpolitik, something the militant Hinduist pro-India lobby here in FR, which favors India’s interests over those of America, is apparently incapable of understanding.
You have to play the hand you’re dealty. India is certainly not our friend.