It is that same secret society that has power over the United States and UK government as well as nearly all the leaders around the world (who are attempting to have world domination), This group is known as the Illuminati.
The group "Killuminati" was originally established by one of the well remembered Hip Hop artist named Tupac Shakur.
Tupac wanted to warn the world about the illuminati. So to symbolize this he put a K in front of the word, Illuminati....
(ill - uminati + k at the beginning = Killuminati)
"... and I put the 'K' coz am killin' that, coz of Illuminati shit!..."
Tupac Shakur