Why can a user that I removed from my page still comment on my friends-only page?

I have the comments set to friends-only but still they're able to comment. Can anyone help me with this?

Anonymous2006-10-01T10:45:41Z

Favorite Answer

Unknown. Could be a glitch in the 360 thing. Unduobtedly there are many.

Anonymous2006-09-29T08:01:09Z

try bloking him or her