Taksisti koji su otpušteni, invalidi, umirovljeni, oni koji su pali na ispitu zadnjih 20 godina, provjereni i dobili smo bazu sumnjivih.
Cabbies who've been sacked, invalided off, retired, plus a list of drivers who've tried and failed the Knowledge over the last 20 years, triangulated, cross-referenced with the suspect pool.