Katarina Carroll has been sworn in as Queensland’s police commissioner making her the first woman to hold the top job. 

Ms Carroll began her policing career 26 years ago before taking the role of Queensland Fire and Emergency Services Commissioner in December of 2014. 

She states she wants to work closely with her frontline, looking at their health, well being and in particular their mental health, and she also warned that bad behaviour from officers will not be tolerated.