as the bell rings announcing the next train. he turns to look and sees reggie. during the following, he looks around, looking for some way out. as he slowly moves along behind the second colonnade, his gun ready, trying to get an angle on carson. as he aims carefully and fires. with carson in the b.g., who fires at him. adam ducks behind the column as the bullet hits it and screams off. over his shoulder we see a broken picture of carson running toward the theatre door, flashing by the near and far columns. adam tries to get a shot at him, but can't. he looks from the ceiling to a row of levers on one wall. as he turns to the levers and reaches for the one marked c- 4. he is about to pull it. he looks at the lever marked d-4. he is perspiring heavily.