London Borough of Barnet; North London; Metropolitan Police Service.
All persons arrested for a recordable crime.
The study involves a randomised controlled field trial, with allocation of footwear samples into a digitised in-custody footwear technology or the business-as-usual, paper-based model. Randomisation is carried out using the Cambridge Randomiser 2.0.
Automated randomised allocation.
This RCT provides evidence which supports the hypotheses: