A man has been found guilty of murdering his girlfriend's 13-week-old baby in Kent.
Hunter Hodges suffered a "severe direct impact" to the head akin to that seen in "a high-speed motorcycle collision or a multi-level fall", Canterbury Crown Court heard.
Tyla Wharmby was caring for the baby overnight while his partner, Shannon Hodges, slept. He is not Hunter's biological father.
The 24-year-old man, of Prestedge Avenue in Ramsgate, had pleaded not guilty to murder and grievous bodily harm with intent, but was found guilty of both offences on Thursday.
The court heard Wharmby had visited a pornography website about 10 minutes before the child's mother called for an ambulance for the "lifeless" infant.
She told the 999 call handler: "My two-month-old son woke up this morning with a swollen head.
"It's really, really squishy.
"Every time I touch his head he screams."
'Everything was broken'
Hunter was rushed to Queen Elizabeth the Queen Mother hospital in Margate on the morning of 15 July 2022.
The baby was airlifted to a London hospital where he died following a cardiac arrest that afternoon.
Forensic pathologist Dr Nathaniel Cary said Hunter's injuries were the result of severe trauma, such as being "thrown to floor or against a solid direct upright surface".
Consultant paediatric neurosurgeon Amedeo Calisto said: "Everything that could have been broken was broken here."
Wharmby's conversation with a police officer was recorded after staff at the Kent hospital alerted them to what happened.
He initially told police he had woken up at 04:00 to give Hunter some Calpol and give him his bottle.
Wharmby said he then woke up about half an hour later to the baby "screaming" with a swollen back of the head.
"I took him into his mum, we called an ambulance and now we are here," he added.
Wharmby was arrested later that same day.
"This was a deeply distressing case," said Det Insp Adam Marshall.
"Throughout this lengthy and incredibly difficult process, Hunter's loved ones have shown remarkable courage and strength.
"Despite their immense grief, they provided vital evidence and remained steadfast in their support of the investigation.
"Our thoughts remain with them as they continue to come to terms with their loss."
Hunter had been to the Margate hospital multiple times in the weeks before his death.
The baby had been repeatedly vomiting, had mottled skin and was crying more frequently, which the court heard are symptoms of Shaken Baby Syndrome.
His mother told hospital staff on one occasion: "Look he is really not OK. I'm not going to keep coming back up here to be rushed off with antibiotics."
Professor Safa Al-Sarraj, a consultant neuropathologist, said in court he had found signs the child had suffered a traumatic brain injury by "a similar shaking action", most likely inflicted within the month before he died.
Wharmby had denied shaking the baby during this time.
He is due to be sentenced at Canterbury Crown Court at a later date.
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