Complex sentence: Capt. McTavish isn't really concern about Torchy getting her hands on top secret police matters, he is secretly working for Torchy's rival newspaper "The Daily Express", who wants Torchy's access to top secret police investigation files cut off.
Split into simpler sentences: Capt. McTavish isn't really concern about Torchy getting her hands on top secret police matters, he is secretly working for Torchy's rival newspaper "The Daily Express". Who wants Torchy's access to top secret police investigation files cut off.