Complex sentence: Christopher, meanwhile, is running scared after his mock execution, which has left him in a neck brace, and is even more unnerved when he and Adriana discover Brendan Filone lying dead in his bathtub, shot through the eye.
Split into simpler sentences: Christopher, meanwhile, is running scared after his mock execution, which has left him in a neck brace. He is even more unnerved when he and Adriana discover Brendan Filone lying dead in his bathtub, shot through the eye.