They seized drugs worth more than £750,000 in the culmination of an eight-month undercover inquiry.
Investigators, who arrested ten men, suspect the network was overseen by Albanian drug gangs responsible for trafficking victims into the UK.
Officers were criticised for garishly painting their nails, posing for photos in bumper cars and stroking puppies for stress relief.
Others posed in bear masks and, in one force, drug squads insisted on asking cannabis growers if they were victims of slavery.
They are desperate to persuade the Government to pump more cash into the front line to tackle violence, complex offences and new threats.