Fifteen defendants have been sentenced after a long-term, covert investigation into the supply of cocaine and amphetamine into Devon and Cornwall, code-named Operation Rosco.
The majority were sentenced at Plymouth Crown Court today.
Detective Sergeant Stuart Gilroy, deputy senior investigating officer from the Serious and Organised Crime Investigation Team, said: "This was a long and complex investigation which included Devon and Cornwall, Liverpool and London.
"It has involved the detailed...
