A child killer was filmed sobbing as he is arrested for the brutal murder of his girlfriend's newborn son.
Kane Mitchell, aged 31, left 12-week-old Teddie Mitchell with severe injuries that police compared to those suffered by tot Baby P.
They included 17 broken ribs, fractures to both his skull and collarbone, and brain, spinal and eye damage.
The Mirror reports that callous Mitchell killed little Teddie in the property he shared with the child's mother, Lucci Smith, aged 29, in Cambridgeshire in 2019.
A brand new two-part special of the Channel 4 series 24 Hours in Police Custody takes viewers behind the scenes of the police investigation.
Detective Inspector Lucy Thompson, who spearheaded the probe, says of Mitchell: “He is completely devoid of any remorse or empathy, that’s the thing I find really hard. It’s all about Kane and not what Teddie’s been through.”

A body camera catches the moment Mitchell is arrested while pretending to be a doting father in hospital.
He shouts: “I don’t f***** think so. Oh my god, I would never hurt a baby. I’m not leaving my son.”
Using medical evidence of Teddie’s terrible injuries, detectives were able to prove Mitchell had killed Teddie.

He did so by smashing his head against a hard surface and crushing his tiny body with his bare hands.
One detective tells a colleague Teddie had been attacked five or six times. He says: “This is akin to Baby P-type injuries.”

The film footage shows Mitchell holding his victim in intensive care as he sobs: “Come on baby, Daddy’s here.”
But while Teddie is in hospital, watched over Smith and Mitchell, detectives are intently monitoring the couple.

Cameras follow every twist of a probe on behalf of a victim who will never be able to tell police what really happened.
Mitchell, who was not Teddie’s father, was jailed for a minimum 18-year term at Cambridge Crown Court in February.
Smith was convicted of cruelty to a child. The trial heard she did not dial 999 for more than 30 minutes after being urged to do so,
24 Hours in Police Custody airs on Monday and Tuesday at 9pm on Channel 4.
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