Suspected that his Foundation (that focused on human trafficking) turned a nice profit.
Here are some articles to get you started. Note sources and dates.
https://www.dailykos.com/stories/2008/10/17/634010/-
http://www.americanfreepress.net/html/mccain_s_mob_connections_146.html
https://en.wikipedia.org/wiki/Don_Bolles
Longstanding ties with wife #2 (Cindy) going back to the Bronfman/Seagram’s and Prohibition. Just do a search for “John Mccain arizona mafia”
POTUS meeting with Pakistani PM Imran Khan makes me wonder if they might have discussed the Awan fiasco?
On it, and thanks for the tutorial links very much!