ms. okata's name.sed the passport to leave japan and to fly to shanghai. once there, she continued to use ms. okata's credit card. reportedly racking up bills of at least 10,000 u.s. dollars. in shanghai, the woman has now apparently turned herself in to police. bbc news in tokyo. >>> to pakistan next where the taliban says it may be splitting. the commander of one of the main fighting units says his group has now left the organization because of differences over negotiations with pakistan's government. the group known as the ttp says it's in favor of peace talks. our pakistan correspondent has been telling me more. >> reporter: this is a powerful group who within the pakistani taliban is headed by -- he has the support of mehsud tribesman. when pakistani taliban umbrella group was formed in 2007, most of the foot soldiers were from mehsud tribe. two of the main leaders came from the same tribe as well. in november when the leader was killed in a u.s. drone strike, after that there was a struggle for t