 His trainer and PFLP-EO leader Wadie Haddad expelled Carlos for not shooting hostages when PFLP demands were not met, thus failing his mission.Manuel Contreras, Gerhard Mertins, Sergio Arredondo and an unidentified Brazilian general traveled to Tehran in 1976 to offer a collaboration to the Shah regime to kill Carlos in exchange for a large sum of money.It's not known what actually happened in the meetings.