During the discussions among the CIA Saul mentions about the Mumbai attack. The Mumbai attack he is referring to is the 26/11 attack carried out by terrorists on Taj Hotel in Mumbai. It took place in the year 2008 and involved many civilian casualties.
First appearance in the series of F. Murray Abraham playing Dar Adal. He would play the character for 43 episodes throughout the show's run.
The QR code, when scanned, located on the back of the bus Quinn exits out of leads to a Google search on Tiffany Apple Keenan, one of the graphic designers on the show.