Miasma: [s13e14]

A victim fights back, escapes in Winters' van, and eventually crashes it. This allows the BAU to recover evidence, including a "plague doctor" mask and his mother's old medication, which eventually leads to his identification. Major Character & Plot Arcs

He drains the victims' blood and then burns their bodies in public cemeteries using rubbing alcohol as an accelerant. [S13E14] Miasma

With Prentiss away, Jennifer "JJ" Jareau acts as the interim unit chief for the New Orleans investigation. A victim fights back, escapes in Winters' van,

He wears a traditional long-nosed plague doctor mask. A victim fights back