After the Taliban's swift takeover of Afghanistan, many top leaders are heading back to Kabul, with many of them having been in hiding for years

Abdul Ghani Baradar, the group's top political leader, will play key role in negotiations after decades of fighting and leading talks for US withdrawal

The de facto leader of the newly declared Islamic Emirate was raised in the birthplace of his insurgent group and jailed in 2010 -- until the US requested his release in 2018