Drea Garcia

A strange hieroglyph is discovered under the armpit of a deceased homeless man. It matches one found on a casualty from a few years ago and BAU is called to investigate. Reid decides to bring his mother home early.

Team Scorpion are blackmailed into breaking into the United Nations to help with the assassination of an arms dealer, while Sylvester tries to protect Megan's wishes.

Neal clashes with his father, Dr. Peter Hudson, who is a neurosurgeon, over how to treat his gravely ill mother, Asra Hudson, whose mysterious symptoms force Angels Memorial to quarantine Trauma One.