Retains a sense of community. Long established criminal subculture including petty and organised crime. Now spreading, along with crack cocaine, to ethnic minority population. Sub markets largely structured according to drug of choice and ethnic minority of users. Meeting place, time and type of transaction largely arranged by mobile phone.
Busy streets allow transactions to take place mainly in public meeting places.
A few home deliveries. Buyers on the whole trust the sellers. Transactions take place quickly. Organised sellers maintain a 24 hour service every day.