Criminal Minds: A.J. Cook Previews a JJ 'Like You've Never Seen Before,' Teases 'Cool' Reveal

This Wednesday’s episode of Criminal Minds (CBS, 9/8c) may be titled “Closing Time,” but it’s also time for one “JJ” Jareau to open up a can of… well, you know, as she takes her profiling game to the next, fierce level. TVLine invited series vet A.J. Cook to preview this latest evolution with her character, as well as tease a reveal that will come out of the hour as well. (Hint: It involves one of JJ’s BAU buddies.) READ MORE