General:
http://www.telegraph.co.uk/women/life/7-deadliest-female-assassins-history/

Rudolf von Planta Dressed As An Axe-Wielding Bear killed Jörg Jenatsch:
http://www.cracked.com/article_20033_5-ridiculous-assassination-plots-that-actually-worked.html
https://en.wikipedia.org/wiki/J%C3%B6rg_Jenatsch

Margaretha MacLeod A.K.A. Mata Hari:
https://www.washingtonpost.com/news/retropolis/wp/2017/10/15/i-am-ready-mata-hari-faced-a-firing-squad-for-spying-and-refused-a-blindfold/?utm_term=.25f6ae8ce145

Idoia López Riaño A.K.A. La Tigressa
http://www.dailymail.co.uk/news/article-2065575/Jailed-terrorist-The-Tigress-kicked-ETA-saying-sorry-killing-23-people.html#ixzz53pjazMBm

Richard Leonard Kuklinskki A.K.A. The Iceman:
https://www.biography.com/people/richard-the-iceman-kuklinski-21360091

Alexander Solonik A.K.A. Agent 47
http://www.badassoftheweek.com/solonik.html

Caesarea A.K.A. The “Mossad Squad”
http://www.spiegel.de/international/world/an-eye-for-an-eye-the-anatomy-of-mossad-s-dubai-operation-a-739908.html

Jesus Ernesto Chavez Castillo A.K.A. “The Camel”
http://www.nydailynews.com/news/national/mexican-cartel-trains-u-s-gang-members-kill-article-1.1604843
http://www.dailymail.co.uk/news/article-2557171/Mexican-drug-cartel-hitman-says-committed-800-murders-stopped-keeping-track.html#ixzz53qWfhADX

Martin Corona - Author of Confessions of a Cartel Hit Man:
http://www.nydailynews.com/news/world/cartel-hitman-martin-corona-details-executions-new-book-article-1.3329249
Mevlut Mert Altintasv  A.K.A. Syrian Assassin of Andrei Karlov
http://www.telegraph.co.uk/news/2016/12/19/russias-ambassador-turkey-shot-assassination-attempt1/
https://newrepublic.com/article/139418/photograph-year

Doan Thi Huong & Siti Aisyah - Kim Jong-nam:
https://www.thesun.co.uk/news/4213251/siti-aisyah-doan-thi-huong-kim-jong-nam-north-korea-death-poison/