SVT Nyheter meets Sven Holgersson in his garden.
Nowadays he is retired, but clearly remembers how he as police chief was woken up in the middle of the night with the news that the entrance to the police station had been blown up.
- My first thought was how can this even happen, he says.
Then the thoughts went to everyone who was in the house.
After the attack, several employees had to live with a stronger threat picture - hear more about it in the clip.