[s5e10] The Slave Of Duty -

: The unsub asserts dominance through physical assault (causing injuries like broken ribs or concussions) to terrify victims into compliance. He then forces them to participate in a "date" before killing them, leaving their bodies surrounded by rose petals.

: Without their leader, the team must regroup under the guidance of Derek Morgan (acting Unit Chief) and David Rossi . Production Credits [S5E10] The Slave of Duty

The team identifies a "romancing" unsub who targets high-powered, brunette female executives in their own homes. : The unsub asserts dominance through physical assault

: Hotch delivers a moving eulogy for Haley, quoting W.S. Gilbert: "It’s love that makes the world go round" . Facing pressure from Section Chief Erin Strauss to retire or take a desk job, he eventually decides to remain with the BAU after realizing his dedication to the "duty" of his work. Production Credits The team identifies a "romancing" unsub