In investigations into illegal work on the building site, the Augsburg public prosecutor's office had around 100 properties searched across Germany on Tuesday - including in Hesse.
Among other things, there was a raid on a company in Mörfelden-Walldorf (Groß-Gerau district).
Augsburg / Mörfelden-Walldorf - Three main accused had been arrested with an arrest warrant.
They are accused of smuggling foreigners in for commercial purposes and as a gang, as well as withholding and embezzling wages in particularly serious cases, said the public prosecutor and customs in Augsburg.
Via fictitious work contracts with companies in Serbia and Slovenia, personnel were recruited and deployed nationwide on large construction sites.
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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
Osram employees are said to have stolen kilos of gold
For years a man is said to have smuggled fine gold shavings out of his employer's production rooms.
A total of 67 kilos worth 2.3 million.
Now the suspect has been extradited.
Osram employees are said to have stolen kilos of gold
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
In a particularly serious case, 14 suspects are currently being investigated on suspicion of withholding and misappropriating social security contributions.
The Augsburg District Court has issued arrest orders for assets of 8.2 million euros.
During the raids, 870 employees of the financial control undeclared work and from main customs offices were on duty.
Almost 300,000 euros in cash had been secured, it said.
In order not to endanger the ongoing investigation, no further information would be given.
dpa