This alarming footage shows a psychologist laughing and joking on a city bus after brutally murdering his mum with a hammer.
Cold-hearted Robert Child used the weapon to beat his parent Janice more than 30 times before locking her bloodied body in a utility room at her south Liverpool home.
The 37-year-old killed the 64-year-old for money and the day after the savage attack was out buying a £14,000 Jaguar car with her £25,000 savings which he'd helped himself to.
Today, after fantasist Child was jailed for 29 years, footage was released which showed his calculated movements immediately after the murder.
CCTV captured the 'selfish narcissist' catching the No.75 bus, at 4.45pm on March 5, this year, shortly after the shocking assault.
Child, who used to falsely claim he worked for Manchester United as a scout, was seen laughing and joking with the bus driver even though he'd just killed his mum.
The route took him into the city centre, at Myrtle Street, where he got off.
More clips revealed how unhinged Child walked calmly around Woolton Village, holding black gloves and keys.
Moving near the main street, he was seen near to the Coffee House pub and then sitting down on a bench with a black bag.
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Child lost a Newton Hearing in recent days, having disputed the murder was for financial gain but Judge Dennis Watson, QC, disagreed.
The one-time University of Liverpool consultant killed his mum in the utility room of her Woolton home on Kings Drive.
Child planned the murder of his mother, having taken a spare change of clothes to her house and failing to tell anyone that he was going to visit her, the judge said.
He added: "It was his realisation that without her money his fantasy lifestyle would collapse.
"You knew you would have to take her mobile phone to complete the bank transfer.
"You attempted to conceal your visit by using her mobile phone to call your phone so you would be able to show missed calls from her phone to yours.
"You even called her phone even though you knew exactly where that was. Even though you knew she was dead."
Speaking after the sentencing, Detective Chief Inspector Cheryl Rhodes said: “Robert Child brutally murdered his mother in an appalling violent attack.
"Ever since committing the offence, he has gone to great lengths to try to lie and cheat his way out of the consequences of his actions, in the same way as he has lied his way through life."
Mrs Child was found with 31 wounds, believed to have been caused by a hammer and another weapon, after neighbours on Kings Drive contacted police when they were alerted by her dachshund Alfie barking in the early hours of the morning.
Child claimed to be a doctor, despite not having completed a PhD, and told friends he worked as an analyst for Manchester United.
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In evidence from financial investigator Adrian McGrath, the court heard Child was more than £32,000 in debt at the time of his mother's death.
He also had two county court judgements against him for £16,000, Mr McGrath said.
John Benson, QC, prosecuting, read a letter from Janice Child's cousin, George Moffatt, who spoke of his "shock" at the defendant's actions.
He said: "Although many years ago the deceased and her husband, now also deceased, had put distance between themselves and the rest of the family they did meet at the funerals of Janice's parents and brother John."
The court heard Mr Moffatt last met Child when he was around nine years old and said he was "idolised by his mother" who "ensured he had an excellent education".
Mr Moffatt also said the family were left "confused" after being told Child had been diagnosed with a brain tumour – only to find out later it was a lie.