The Government is constructing responses without any credible evidence that they will be successful. Knife amnesties will have a negligible impact since knives will be available as long as there is unsliced bread.
The Centre for Crime and Justice Studies
‘Knife Crime’: Ineffective reactions to a distracting problem? A Review of Evidence and Policy
From The Independent: Big rise in knife crime despite tougher penalties
[First they came for the guns…–Joe]