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PC Bains and PC Brickford secretly meet - Line of Duty: Series 3 Episode 3 Preview - BBC Two

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Looks like Danny killed the first guy because he abused him as a boy but his team mates killing him after making them lie for him was unfortunate but why Cottan is tampering with evidence is a mystery and Lindsay getting released is going to make things interesting

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Lindsay Denton returns to AC-12 - Line of Duty: Series 3 Episode 4 Preview - BBC Two

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Looks like Lindsay Denton has Steve Arnott by the balls but I think the phone recording was a bluff and Cottan was starting to look worried when they processed the envelop he took the note from, you would of though Lindsay's care worker knew she was ones a copper so asking for sexual favours for money really was a bad idea

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Steve and Lindsay face each other - Line of Duty: Series 3 Episode 5 Preview - BBC Two

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Cottan trying to make Arnott look guilty was a sneaky move and with him just being awarded for bravery he does seem untouchable at the moment and being worried by Arnott's contact with Lindsay taking matters into his own hands was a sign of desperation and Lindsay getting in Cottan's car was going to have shattering consequences

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Steve realises Lindsay has taken his notebook - Line of Duty: Series 3 Episode 6 Preview - BBC Two

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Cottan killing Lindsay was sad but at least she sent the list of names first and using Steve's car was a brilliant move as you knew they would arrest Steve, Cottan having an answer for almost every question was impressive but Cottan making a run for it was a surprise and Kate went beyond the call of duty to stop him