"Evil" teen Craig Mulligan appeared unfazed and emotionless as he was questioned by police just days after murdering Logan Mwangi.
The babyfaced killer's identity was revealed for the first time yesterday after he was jailed for the five-year-old's murder alongside stepfather John Cole, 40, and stepmother Angharad Williamson, 31.
Mulligan, who is the son of Cole's ex-partner, was described as 'pure evil' by his former foster parents, the Mirror reports.
Footage has now been released of his interview with officers, with the teen seemingly unbothered as he is grilled over the youngster's death while dressed in a prison-issued tracksuit.
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