3. The 300 Million Yen Heist

http://www.scmp.com/news/asia/article/1101595/after-44-years-unsolved-bank-truck-heist-continues-fascinate-japan
https://www.irishexaminer.com/world/unsolved-heist-captivates-44-years-on-216592.html
https://www.tofugu.com/japan/greatest-robbery-in-japanese-history/
https://moneyweek.com/10-december-1968-the-300-million-yen-robbery/
http://yabusaka.moo.jp/sanokuen.htm
http://www.atimes.com/media/AB02Ce01.html
https://books.google.ca/books?id=vThCAAAAQBAJ&lpg=PA153&dq=300%20million%20yen%20robbery&pg=PA153#v=onepage&q&f=false

2. The Loomis Heist

https://www.sfgate.com/crime/article/Armored-Truck-Heist-Baffles-FBI-Thief-got-2-3-2932079.php
http://www.sacbee.com/news/local/crime/article169273532.html
https://www.upi.com/Archives/1999/05/07/FBI-probes-23M-armored-car-heist/8320926049600/
https://www.sfgate.com/bayarea/article/Driver-comes-forward-to-discuss-security-follies-2899036.php

1. The Father's Day Massacre

https://law.justia.com/cases/federal/appellate-courts/F3/15/1090/536492/
http://www.apnewsarchive.com/1992/URGENT-Former-Police-Sergeant-Acquitted-in-Slayings-of-Four-Bank-Guards/id-00fd30bda24b4669da4a25fbfd644932
https://www.highbeam.com/doc/1G1-67477936.html
http://blogs.denverpost.com/coldcases/2013/06/08/fathers-day-massacre-at-united-bank/6917/5/
https://www.denverpost.com/2013/06/10/james-king-key-figure-in-mystery-of-denver-fathers-day-massacre-dies/
https://books.google.ca/books?id=aYI0DwAAQBAJ&lpg=PT220&ots=cmdYrtyPW2&dq=The%20United%20Bank%20Tower%20robbery&pg=PT223#v=onepage&q=The%20United%20Bank%20Tower%20robbery&f=false
http://people.com/archive/a-bloody-sunday-vol-36-no-4/