The man is in his 20s and according to prosecutor Anna Svedin was arrested yesterday.
He is suspected of aiding and abetting murder and will now be handed over to Sweden.
- If he agrees to be handed over, he will probably be in Sweden within two weeks, otherwise it will take a little longer, but by the end of the summer he should be here.
The man is suspected of aiding and abetting murder.
- I claim that he was aware of the criminal plan, that someone should be shot, that he was helpful in mediating contact between different people, that after the murder he helped to remove evidence, says Anna Svedin.
A total of five detainees
Several people are already in custody in the case, one is in custody here in Sweden and three are in custody in their absence.
All are suspected of murder and several attempted murders and several of them are believed to be abroad.
It was in August last year that 12-year-old Adriana was shot to death at a fast food restaurant in Norsborg in Botkyrka south of Stockholm.
Police have previously determined that the girl was not the target of the shots, but have not told who or what the shots were meant for.