Once an unassuming schoolboy who attended a UK drama club, teenager Axel Rudakubana retreated into his own world over the years, searching for increasingly violent images online.
Rudakubana is set to be sentenced on Thursday and faces a long custodial term after pleading guilty to murdering three young girls at a dance class in Southport in northwest England, in a shock admission just before his trial had been due to open.
