Does 'But after September 1996, when first Jalalabad and then Kabul fell to the Taliban, Bin Ladin cemented his ties with them.' stand independently of the premise 'Bin Ladin knew what he was doing in Jalalabad.', neither following nor contradicting it?
But after September 1996, when first Jalalabad and then Kabul fell to the Taliban, Bin Ladin cemented his ties with them.###Bin Ladin knew what he was doing in Jalalabad.