Jennifer "JJ" Jareau is a Supervisory Special Agent who was the BAU's former liaison with police and media officials until Season Six, when she was compelled to accept an assignment to the …

Jul 9, 2025 · One that was nearly as dramatic, however, was the departure and later return of A.J. Cook's Jennifer Jareau, better known as JJ. As part of a mid-series shuffle, partially based on …

A.J. Cook. Actress: Criminal Minds. Canadian born actress/director, AJ is best known for her role as "Special Agent Jennifer 'JJ' Jareau" in the CBS long running series CRIMINAL MINDS.

Andrea Joy Cook[1] (born July 22, 1978) [2] is a Canadian actress. She is best known for her role as Supervisory Special Agent Jennifer "JJ" Jareau on the CBS crime drama Criminal Minds …

May 22, 2025 · “I’m still mad,” A.J. Cook says of that devastating loss for JJ on Criminal Minds. It was in the second episode of Season 18 that JJ was shocked when her husband, Will (Josh …

May 22, 2025 · 'Criminal Minds' star A.J. Cook breaks down JJ's loss and the "strange places" it will take her. Plus, how [Spoiler]'s cameo came to be.

May 16, 2025 · JJ Jareau & Will LaMontagne are Criminal Minds’ longest-term couple, spanning from season 2 into the continuation of Evolution with their 2 sons.

Jul 25, 2024 · Fans are buzzing with speculation about A.J. Cook’s Jennifer “JJ” Jareau’s fate in Criminal Minds, raising questions about why she left and how she was eventually reintroduced …

Jan 7, 2024 · Find out why actress A.J. Cook left Criminal Minds as Jennifer 'J.J.' Jareau. See the cast's reaction, why she returned, and what she's doing now.

JJ is the Communications Liaison at the Behavioral Analysis Unit in Quantico, Virginia. JJ is not a profiler, but often participates in the profiling alongside her colleagues.