for attention global jihadist community. >> and the u.s. may be in the crosshairs as the rivalry grows. >> i don't think there's any doubt if isis decides to, they have the ability to launch a new a major terrorist attack on western soil. this is a group with up to a thousand western recruits. >> and al qaeda in yemen posting a new edition of its magazine again calling for attacks on the west complete with updated instructions yet again on making explosives. the type of instructions that inspired the boston marathon bomb attack. the chaos in controlling al qaeda in yemen made more difficult after a senior yemeni intelligence official was kidnapped by an anti-government rebel group. working with yemen intelligence agency vital to president obama's policy of supporting fragile allies.