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Simon's mother, Alice did make herself look guilty cleaning up after he committed suicide and talk about a close call saving her from jumping

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The doctors reaction when questioned about faking his face blindness condition was disturbing considering he's been treating him for 4 years but Julia killing the doctor was a surprise as he was a killer himself

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The old guy did seem paranoid but being that determined to keep his home there was no way he would of blown it up but Aiden answering the prank phone call was lucky and Diane turning up drunk at Aiden after drunk girls night out was bad timing

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You can understand why some of them thought they had the killer but with another disappearance while he was in custody should of been a clue he was innocent and the kids being left in the car was a scary thought, what a tragedy the others thought the only way to stop the killer was to do it themselves

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What a shame for Poppy's father being so close to retirement and Isabel protecting Tim after he murdered the community health worker was sad but at leased she came to her senses in the end

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Mark was lucky he wasn't shot by the trigger happy cop and Clara going back after figuring out Mark heard the voices from the next apartment was brave but also lucky as she was able to help Aiden