Kristina Ohlsson was born in Kristianstad, Sweden. She is a political scientist and works as a Counter-Terrorism Officer at the Organization for Security and Co-operation in Europe (OSCE). She formerly worked for the Swedish Security Service, the Ministry for Foreign Affairs and the Swedish National Defense College. Ohlsson lives in Vienna, Austria. She also writes children's books. She is the creator of:
1. 'Fredrika Bergman and Alex Recht', a investigative analyst and a policeman in Stockholm, Sweden.
2. 'Martin Benner', a criminal lawyer in Stockholm, Sweden.