Detective Arbogast (Martin Balsam)’s Timeline and Summary

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• Arbogast is hired by Cassidy and/or Lowery to find Marion and the money she stole, without involving the police.
• Arbogast goes to Sam's store and discovers Lila there; he decides that they don't know where Marion is.
• He agrees to work with them to find her.
• He investigates and investigates—and he discovers that Marion had been to the Bates Motel.
• He interrogates Norman and gets him to admit Marion was there.
• He wants to talk to Norman's mother, but Norman won't let him.
• After he checks in with Lila and Sam, he goes back to the motel to try to talk to Norman's mother.
• He gets into the house, goes up the stairs… and a woman rushes out and stabs him to death.
• No more timeline for Arbogast.