Axel Rudakubana, an 18-year-old, has denied murdering three young girls in a horrific attack in Southport.
The incident, which took place at a Taylor Swift event, triggered significant civil unrest and riots across Britain.
Beyond the murders, he also faces charges related to attempted murders, possession of a dangerous poison, and extremist materials.
A report criticized the police response to the subsequent riots, highlighting intelligence failures and delayed mobilization.