Some children are showing off knives like they are a new pair of trainers, a campaigner says.
Victim's mother says a review shows a catalogue of "astonishing failings and incompetence".
Zephaniah McLeod killed Jacob Billington in his deadly attack in Birmingham in September 2020.
Keith Billington questions why his son's killer, who had paranoid schizophrenia, was not monitored.
Members of the public are heard calling 999 while Zephaniah McLeod was on a stabbing spree in Birmingham.
Zephaniah McLeod stabbed Jacob Billington to death on a night out in Birmingham and injured seven others.
Zephaniah McLeod stabbed Jacob Billington to death in Birmingham and injured seven others.
Zephaniah McLeod missed a psychiatric assessment days before killing Jacob Billington.
Intern Jacob Billington, 23, died and seven others were hurt during a stab spree in Birmingham.