Jan Staaf

Jan Egon Staaf is a Swedish police commissioner and former track and field athlete who competed in walking. He twice competed for his country at the Summer Olympics: in 1988 and 1996. Staaf set his personal best in the men's 20 km walk event in 1997.
Jan Staaf joined the police force in 1998 after his retirement from the sport. He was serving as head of investigation in serious crimes when got involved in the murders of Mohammed Ammouri and Anna-Lena Svensson in Linköping in 2004. He led the investigation which was solved with the help of DNA genealogy. The investigation lasted 16 years and became Sweden's second largest criminal investigation after the investigation into the assassination of Olof Palme. In June 2021, Staaf was awarded for his service and promoted to the rank of Norrköping police commissioner.
When the case and investigation were depicted in the Netflix series Genombrottet, the character John Sundin, who is based on Staaf, was played by Peter Eggers.