Complex sentence: He also physically overcomes the impostor, who reveals his name as Curtis, after making him reveal his password to identify with Number 2 and removing the fake mole from his wrist, Curtis escapes and is then mistakenly killed by Rover.
Split into simpler sentences: He also physically overcomes the impostor, who reveals his name as Curtis. After being forced to reveal his password and remove the fake mole from his wrist, Curtis escapes and is then mistakenly killed by Rover.