Idiom of the day :- A marked man

Usage, examples and definition of the Idiom :-

Matthew is in the process of learning that a marked man is one whose conduct has made him the object of suspicion. In extreme cases, it could mean a man whose life is in danger. ‘You’ve been caught doing naughty things, Matthew,’ the guard said. ‘From now on, you’re a marked man and I’ll be watching.’