Monster In The Closet — [s11e13] The

Brennan struggles with intense remorse, believing this serial killer emerged during the time she and Booth had briefly left their jobs, meaning she "let him slip through her fingers".

In the chilling thirteenth episode of Bones Season 11, titled "," the series pivots from its usual procedural tone into a dark, horror-inspired narrative that introduces one of its most unsettling "big bads": The Puppeteer . Case File: The Macabre Marionette [S11E13] The Monster in the Closet

Watch the official preview to see how Dr. Brennan and Booth handle one of their most disturbing cases yet: Brennan struggles with intense remorse