What does the cryptic crossword clue "Hitmen fear somehow being under suspicion (10)" mean?

The definition is "being under suspicion". The wordplay uses an anagram. anagram of HITMEN FEAR = INTHEFRAME The answer is INTHEFRAME.

Hitmen fear somehow being under suspicion (10)

Independent Cryptic #11610 | 10 Across | 2023-12-27 flower