The force said it believes agangofcriminals may have travelled across the border to target the capital as the system has been relatively unknown in Scotland.
Detectives chanced on Wallwork at the 10 Arches Scrapyard in Manchester as they looked for agangof armed criminals who had shot a security guard in Preston.
The man regarded as the PCC leader, Marcos Herbas Camacho, also known as Marcola, and a dozen criminals who make up the rest of the gang's command structure are currently held in jails in Sao Paulo state.