The astonishing lengths fentanyl killer went to as he 'brainwashed' couple
Luke D'Wit created a gallery of fake personas and a false will to help him execute his "cruel and senseless" plan.
Luke D'Wit created a gallery of fake personas and a false will to help him execute his "cruel and senseless" plan.
Luke D'Wit, 34, drugged Stephen and Carol Baxter with the strong painkiller fentanyl at their home in April last year.
Detectives are now probing fentanyl killer Luke D'Wit's past in search of possible previous offences, after his conviction for poisoning a married couple.