They were two brilliant young men, already marked out as among the most gifted of their generation.
But just eight weeks after arriving in this country from their native France they were murdered in a frenzy of barbaric violence.
Laurent Bonomo and Gabriel Ferez, both 23, were tied to chairs, tortured, stabbed an appalling 243 times in the head, chest and back and finally set on fire.
A subsequent explosion - described as a 'gun crack' by neighbours - left a pair of charred, mutilated bodies that could only be identified from DNA.
The murder of the two bio-engineering students, who had been invited to Britain to take part in ground-breaking scientific research, has stunned hardened detectives.
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