escalation in an already bloody war with the pakistani government. mothers and fathers send their kids to school to learn and to be safe. well, this morning, wherever you live, wherever you are, those are our children. reporter: the pakistani s chief aim is bringing down the government. and establishing sharia law. but it has an alarming history of targeting the u.s. as well. in 2009, a taliban suicide bomber killed seven cia officers in eastern afghanistan. in 2010, the group claimed responsibility for the attempted car bombing of times square in new york city. and following the killing of osama bin laden, the group vowed more attacks on american soil. there have been instances where they have supported international terrorists. they have been aligned with groups like al qaeda. that makes them a concern to us but indirectly. reporter: washington had pressed pakistan to take on the group more aggressively on the