The FBI may not have monitored him overseas but Hoover paid attention to everything that was going on in the US. He was aware of every nasty thing MLK was up to in various hotel rooms so I’m sure he was paying attention to Malcom as well.
Have you read the FBI reports? I have. They knew NOTHING about MX while he was out of the country.
http://foia.fbi.gov/foiaindex/malcolmx.htm
And you did notice, did you, that his hair wasn’t red, he dyed it.
Where did you get the idea he had freckles?