The Brandenburg police and the Berlin-Brandenburg customs investigation office dug a drug ring and arrested four men between the ages of 39 and 54.
Investigators reported on Tuesday that three suspects were caught red-handed while handing over drugs in Hennigsdorf.
Another man was caught in Berlin.
Potsdam - In the course of the investigation, more than 15 kilograms of drugs were seized during searches in Hennigsdorf, Velten (Oberhavel) and Eisenhüttenstadt, including marijuana, hashish, amphetamines and cocaine, the investigators reported.
In addition, a functioning pump gun with ammunition was discovered in a garage.
Assets totaling almost 70,000 euros were provisionally secured, including 24,000 euros in cash, a car and a pleasure craft.
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Customs finds drugs for 900,000 euros
At first only the joint in the passenger door was noticed - but then customs found drugs for 900,000 euros during a car inspection at the German-Dutch border.
In the footwell of the car was a suitcase secured with a lock and combination of numbers, as the main customs office in Bremen announced on Monday.
The 25-year-old driver claimed that there was a high-quality IT device in the suitcase.
Customs finds drugs for 900,000 euros
Zoll discovered three liters of amphetamine in the engine compartment
During a vehicle inspection on the A30, customs officers discovered three liters of liquid amphetamine.
As the main customs office in Osnabrück announced on Friday, the investigators had already checked a car on Wednesday evening that was on its way from the Netherlands to Poland.
According to the customs office, the driver seemed nervous, which is why the customs officers examined the vehicle more closely.
Zoll discovered three liters of amphetamine in the engine compartment
Raid against gang of smugglers
Use of the federal police: a gang of people smugglers is said to have helped Vietnamese women to obtain residence permits, among other things through bought paternity recognition of German men.
Raid against gang of smugglers
Three suspects have been taken into custody and one man has been released.
All four suspects are well-known Germans who are deeply rooted in organized crime, the police and customs officials said.
According to the information, the investigators had tracked down the alleged perpetrators after a foreign authority decrypted communications between the criminals.
dpa