Just days after he disappeared, government officials speculated it may have been due to a personal or business conflict.
Variations on this theory have been repeated many times, both by diplomats and those purported to be responsible for the official investigation.
Even at the Universal Periodic Review before the UN Human Rights Council in January, 2015, it was suggested it may have been a conflict with a criminal group.
Yet after more than two years of what is claimed to be a serious and thorough investigation, there has been no information or evidence given to support such allegations. None.