He said it. And Muslim Khan also mentioned the need to collect jizya payments from the dhimmis.
"TTP says Osama welcome in Swat: Taliban reject peace accord," from the Daily Times, April 22 (thanks to Block Ness):
MINGORA/LAHORE/NEW DELHI: Swat Taliban have said they are not bound to honour the peace accord between the government and cleric Sufi Muhammad, a private TV channel reported on Tuesday.
According to the channel, they said the NWFP government had signed the deal with Tehreek-e-Nifaz-e-Shariat-e-Muhammadi, and not with the Taliban.
Taliban sharia: Although there was no official confirmation, Taliban spokesman Muslim Khan issued a direct challenge to the legitimacy of Pakistan’s government in a telephone interview with the CNN, by demanding the imposition of the Taliban’s model of sharia throughout Pakistan and beyond, “even in America”.
Disagree: He also denounced any Pakistanis who disagreed with his interpretation of Islam, calling them “non-Muslims”. He also called for the imposition of jiziya, a tax to be levied on all non-Muslims in Pakistan....
As per Qur'an 9:29.