A manipulative killer who murdered a married couple with poison was one of "most dangerous" ever dealt with by police, say officers who are now probing his past in search of previous crimes.

Luke D’Wit, 34, drugged Stephen and Carol Baxter with the strong painkiller fentanyl at their home in Mersea Island, Essex, in April last year.

Read the full report on the ITV News website: https://www.itv.com/news/anglia/2024-...

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