https://www.cnbc.com/2018/04/16/it-cost-20000-a-day-to-protect-mark-zuckerberg.html
https://www.quora.com/How-much-does-it-cost-a-billionaire-to-have-two-full-time-top-notch-bodyguards-on-hand-around-the-clock
https://www.jobmonkey.com/uniquejobs/bodyguard/
https://www.thumbtack.com/p/bodyguard-cost
https://en.wikipedia.org/wiki/United_States_Secret_Service
https://www.therichest.com/salary/how-much-does-a-bodyguard-make/
https://www.heart.co.uk/showbiz/enormous-bodyguards/Madonna/
https://abcnews.go.com/Entertainment/hollywoods-bodyguards-inside-world-celebrity-security-detail/story?id=18567443
https://www.quora.com/How-much-is-the-salary-of-the-bodyguards-of-Bollywood-Stars
https://www.bbc.com/news/world-us-canada-45742865
https://edition.cnn.com/2018/10/04/entertainment/kim-kardashian-former-bodyguard-lawsuit/index.html
https://www.zimbio.com/50+Cent/articles/IfVzmbGSgul/50+Cent+Spends+20+000+Week+Security
https://abcnews.go.com/Business/spending-personal-security-perk-ceos-skyrocketing/story?id=8511347