Complex sentence: With one exception, the tattoos Mortensen wore were accurate for the character he played; the crucifix on his chest is inappropriate for a mob chauffeur, since it incorrectly indicates that he is the "Godfather" of the Russian Mafia.
Split into simpler sentences: With one exception, the tattoos Mortensen wore were accurate for the character he played. The crucifix on his chest is inappropriate for a mob chauffeur, since it incorrectly indicates that he is the "Godfather" of the Russian Mafia.