Undercover footage showing a Preston drugs gang at work has been released.
Lancashire Police have CCTV and helicopter footage showing the Liverpool-Preston drugs gang.
Run by Anthony Watkins the gang, who have been jailed for 90 years, were found guilty of conspiracy to supply £1.2m of Class A drugs.
In the video Detective Inspector Pete Danby talks through what they observed as part of Operation Rabbit.
Related: Full details of the 15 men who have been jailed
Taking 11 months the police operation resulted in the arrest and conviction of 15 men for drug dealing in and around the Callon and Fishwick areas.
Detective Inspector Pete Danby who led the investigation said: “The sentences handed down to these men are the culmination of a long and complex investigation carried out by the Targeted Crime Unit.
“The investigation established that this gang were responsible for a major drugs supply network incorporating all levels of drug dealing, from street level up to cross-border trafficking over a sustained period of time.