Anna Lindh's killer, a 25-year old Swedish male, Mijailo Mijailovic (born to Serbian immigrant parents), was declared to be mentally disturbed and that he acted alone. He was finally sentenced to a closed psychiatric ward.
According to Wikipedia.org, 8-years later, Mijailovic broke silence and gave his first press conference about the killing in 2011. He expressed his apology and said he had absolutely nothing against Ms Lindh personally and that it was not in any way politically motivated.
Mijailovic's Wikipedia portal was created by a contributor named "Gavleson" who has also been responsible for submitting numerous Swedish government (Sweden Portal) articles. To name a few....more at the URL below.
1.Swedish National Council for Crime Prevention, 14 May 2014
2.Swedish Data Inspection Board, 12 June 2014
3.Swedish National Board of Institutional Care, 18 July 2014
4.Swedish Prosecution Authority, 20 July 2014
5.National Centre for Knowledge on Men's Violence against Women, 20 July 2014
6.Swedish National Board of Forensic Medicine, 20 July 2014
7.Swedish National Courts Administration, 20 July 2014
8.Public Health Agency of Sweden, 21 July 2014
https://en.wikipedia.org/wiki/Mijailo_Mijailovi%C4%87
https://en.wikipedia.org/wiki/Anna_Lindh
https://en.wikipedia.org/wiki/User:Gavleson/Articles_started
"...Mijailovic broke silence in 2011 and gave his first press conference about the murder he committed in 2003."