"LeT possesses transnational networks that have included operatives based in the US and Europe and a robust training infrastructure in Pakistan, where it still operates relatively freely. So there is pretty broad agreement that it has the capabilities to strike US targets not only in South Asia but also further afield.
The debate revolves around its intention to do so. LeT is not ideologically opposed to launching a terrorist attack against the US, but it is viewed as focused primarily on regional issues, subject to pressure by the Pakistani military to remain so, and fearful of inviting US retaliation.
The problem is that LeT’s leaders or factions within the group could decide to push the envelope, which is a concern that rose significantly following its decision to strike Western targets during the 2008 Mumbai attacks. The fact that LeT’s presence in Afghanistan has grown over the past several years only adds to fears that it is moving in a more global direction."