Rodney King -- the man who was at the center of the infamous Los Angeles riots -- was found dead this morning in Rialito, CA. He was 47.

According to our sources, King's fiancée found him dead at the bottom of a pool.

Law enforcement sources tell TMZ they responded to a call at 5:25 AM PT. We're told they physically removed King from the pool and attempted CPR.

Our sources say he was pronounced dead at 6:11 AM.