Haunting pictures show the Sri Lanka suicide bomber who was educated in Britain as a young boy before he was radicalised.
Abdul Lathief Jameel Mohamed was one of eight attackers who set off a series of bombs on Easter Sunday killing 359 and injuring another 500.
It was revealed after the atrocity that the terrorist had once been educated in Britain and then Australia and returned a different man.
Sri Lanka bombings: Terrorist who studied in UK before attack is named in the Sri Lankan capital Colombo on Easter Sunday.
The British-educated Sri Lanka suicide bomber has been pictured for the first time.
Abdul Lathief Jameel Mohamed became radicalised abroad and ended up "really angry and totally crazy," his family today claims.
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"My brother became deeply, deeply religious while he was in Australia," his sister Samsul Hidaya told Mail Online .
It's said Mohamed botched his attempt to detonate his bomb at the Taj Samudra, and is thought to have blown himself up by accident at a much smaller guest house.
His sister added: "He was normal when he went to study in Britain, and normal when he came back.
"But after he did his postgraduate in Australia, he came back to Sri Lanka a different man."
Now photos have emerged of Mohamed from his childhood.
They show him as a boy with friends and his five siblings.
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He poses with a crocodile and other animals, and is seen smiling and laughing.
"He had a long beard and had lost his sense of humour. He became serious and withdrawn and would not even smile at anyone he didn't know, let alone laugh," Samsul said.
"He was a music lover and a funny boy. It makes me sad to think what happened to him."
She told how Mohamed, who lived nearby, would not let his children listen to music.
It is understood Mohamed attended a university in London from 2006 to 2007.
British investigators are now searching for any associates or signs of extremist activity during that period.
It's believed he did a postgraduate course in Australia, before returning to settle in Sri Lanka.
Sri Lanka bombings: Terrorist who studied in UK before attack is named
But Samsul admitted she often had arguments with her brother as adults.
"We even started using different roads to go to and from our houses," she said.
Since the terror attack, Mohamed's wife has been taken into police custody and their four children, aged six, four, two and six months, are being cared for by their grandmother in the home where the atrocity was planned.
Mohamed, a trained aeronautical engineer, "never had to worry about money", Samsul claimed, because their grandfather had left him an extensive property portfolio.
The bombs in Sri Lanka killed 359 people - including eight Britons - and injured more than 500.
Ruwan Wijewardene, Deputy defence minister in Sri Lanka said during a news conference that all nine of the bombers were well educated and from wealthy families.
Eight of the terrorists have been identified.
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Speaking yesterday, Mr Wijewardene said: "We believe that one of the suicide bombers studied in the UK and later did his postgraduate studies in Australia."
Meanwhile a government minister claims top intelligence officials deliberately hid information received before the bombings, and top security officials failed to act on several warnings of possible attacks over Easter.
President Maithripala Sirisena has asked Sri Lanka's president demands country's defence boss and police chief resign over the intelligence failures.
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