James O’Neill to become NYPD commissioner: What to know about the chief of department

James, or Jimmy, O’Neill will become the next NYPD commissioner after serving as the chief of department since 2014, Mayor Bill de Blasio announced Tuesday. As the highest ranking officer in the department, O’Neill will take the place of Bill Bratton, who is set to retire in September.

Here are six things to know about the new commissioner.