[3] Within 48 hours of his arrival in Angola, Georgiou had already led his men in disarming and massacring a group of FNLA fighters (his supposed allies), who he killed just for the "fun" of it all.
The fantasist mercenaries did not know how to use their weapons properly, and often injured themselves and others when they attempted to use weaponry that they did not fully understand, leading to some of them being executed by the psychopathic killer Georgiou who did not tolerate failure.
[6] On 27 January 1976, a group of 96 British mercenaries arrived in Angola and within a week about dozen had accidentally maimed themselves by trying to use weapons that they falsely claimed to be proficient with.
[6] When captured, John Derek Barker's role as a leader of mercenaries in Northern Angola led the judges to send him to face the firing squad.
Executive Outcomes employees, Captains Daniele Zanata and Raif St Clair (who was also involved in the aborted Seychelles Coup of 1981), fought on behalf of the MPLA against the National Union for the Total Independence of Angola (UNITA) in the 1990s in violation of the Lusaka Protocol.
Dubbed by the South African media as an attempt to assassinate the rebel leader Dr. Jonas Savimbi, EO found itself under constant UNITA attacks where it lost three of its men.
[12] In October 1999, UNITA alleged that the FAA Embraer EMB 312 Tucanos used during Operation Restore were crewed by Brazilian pilots on contract to the Angolan government.
UNITA subsequently declared "that anything within the Angolan national territory, identified as Brazil's interest, is... considered a target and will not be spared" from their attacks.