Wren shoots Purvis , who overpowers him and pulls Wren 's head to Purvis ' chest .
He confronts the crew of the Betty aboard the ship as Larry Purvis ' Alien begins to emerge from his chest .
Wren shoots Larry Purvis , who overpowers him and pulls Wren 's head to Larry Purvis ' chest .
He confronts the crew of the Betty aboard the ship as Larry Purvis ' Alien begins to emerge from his chest .