He was alleged to have directed one Abdulmumini a.k.a Iron, now at large (who was said to be his Personal Assistance) and who in turn recruited other members of the vicious and notorious hired assassins gang mentioned above. (newsdiaryonline.com)
At the same time, scheming sis Cersei (Lena Headey), who probably hired the assassin who tried to kill Tyrion during the battle, gloats over his scars. (theartsdesk.com)
Various suitable candidates for the «Triplet» programme were brought together by psychotherapist Dr. Sebastian Ghislain, but when the project collapsed, the subjects went their own ways as hired assassins. (empireonline.com)