Jennifer Jareau

'''Jennifer "J.J." Jareau' is a fictional federal agent and one of the main characters from the CBS police procedural Criminal Minds''. She was introduced in the second episode of season one, "Compulsion".

Overview
JJ grew up in a small town. She graduated from East Allegheny High School near Pittsburgh, Pennsylvania, where she was the captain of the varsity soccer team her senior year and earned an athletic scholarship to the University of Pittsburgh, it is also noted in "Risky Business" that she had a sister who committed suicide when she was young.

In season two it is stated that she has an 8 year old niece. She is a fully qualified federal agent but has stated that she does not want to become a profiler.

Even though she wasn't a profiler for the first six seasons, she often participated in the profiling process with other members of the BAU.