Secondary source for the $100k money transfer from the ISI head to Atta:
https://www.theguardian.com/world/2004/jul/22/usa.september1...
> Significantly, Sheikh is also the man who, on the instructions of General Mahmoud Ahmed, the then head of Pakistan's Inter-Services Intelligence (ISI), wired $100,000 before the 9/11 attacks to Mohammed Atta, the lead hijacker. It is extraordinary that neither Ahmed nor Sheikh have been charged and brought to trial on this count. Why not?
They exchanged 1971 captives for 1965 captives
https://en.m.wikipedia.org/wiki/Task_Force_74
US administration at the time supported Pakistan in that war.
The genocide isn’t even acknowledged:
https://www.smithsonianmag.com/history/genocide-us-cant-reme...
[1] https://en.wikipedia.org/wiki/Ahmed_al-Haznawi
[2] https://www.theguardian.com/world/2002/mar/24/terrorism.anth...
If I'd have to guess, Mehmood is what is used in Pakistan, reflecting local pronunciation, whereas Mahmoud is the more traditional Arabic translation of the name (which is Arabic).
We have the same with a lot of names in the west as well, Jacob, Jakob, Yakob, Yakov, Jakub, Jakup etc.