Complex sentence: Montoya is aided by his right hand man, Captain Marcus Grisham (Anthony Lemke), an American deserter who escaped execution for killing his commanding officer during the War of 1812.
Split into simpler sentences: Montoya is aided by his right hand man, Captain Marcus Grisham (Anthony Lemke). Grisham, an American deserter who escaped execution for killing his commanding officer during the War of 1812.