Exie Booker

After another failed attempt to defeat Red John, Patrick Jane hits rock bottom in a Las Vegas club on the fourth season finale. While the CBI investigates the murder of a John Doe on its own, Jane finds a new lover (guest star Emmanuelle Chriqui) and ends up shooting one of his own.

Alex uses an unconventional treatment to save a dying patient. A Halloween-hating couple tests Iris’s limits.

When two guards at a maximum security prison are murdered, the BAU team thinks one or more people within the prison walls may be responsible.

When Jake's investigation into a philanthropic leader is shut down, he turns to Amy and reluctant Capt. Holt for help; premarital problems leave Charles devastated.

An attack at the compound leads SOA to seek revenge.

Various perspectives are employed as members of a big, happy family navigate through life -- including beautiful but also awkward moments.