The murderer wasn't put in handcuffs at any point when being taken to the police station despite what became clearly evident. Once there, he was even allowed into the kitchen to choose his food. No idea if this is routine practice for all. Henry's Father's statement references the 'unbearable' contrast with the treatment given to his son. This has to be the catalyst for change.
The investigation, including IOPC, report has to determine if a member of the public is being presumed guilty if they have been accused of racism. Kemi is right. Enough of this.