The robbery took place on December 4 last year outside Arlanda.

- It has happened just before entering the terminal. The courier has been overpowered and there has been violence and threats. What makes it considered a gross robbery is the amount they have come across, it is about a multimillion amount, ”Monica Krüger tells SVT News Stockholm.

According to Monica Krüger, there was cash in the bag, mostly Swedish banknotes. She does not want to tell which company the courier worked for.

Caught known by the police

Now, four men have been arrested and arrested for robbery. They are arrested for probable cause, the higher degree of suspicion.

The arrests were made in connection with several attacks in southern Stockholm on Wednesday.

"The arrested are known by the police before, but not for this type of crime," says Monica Krüger.

According to Monica Krüger, it is a solid police work with a lot of internal investigation that led to the arrest.

- There are cameras at Arlanda and we have obviously collected both films and other things, but I do not want to comment at this time if the robbery is caught in the picture, says Monica Krüger.

It is not known if the robbery exchange or parts of it were recovered.