Jeff Newburg

A series of murders in San Francisco bearing the tell-tale signs of the infamous Zodiac Killer have the BAU wondering if the notorious serial killer has returned. Meanwhile, Reid ponders if he should be doing more with his genius abilities.

Tori struggles to find the perfect birthday gift for Trina, then decides to write her a song as a present. Ungrateful Trina turns the song into cash by selling it.

Lightman is obsessed with his investigation of two women who committed suicide; the team tries to recover millions of dollars for investors who were scammed.

Lightman heads to war-torn Afghanistan to determine whether an American detainee is telling the truth about the location of two captured Marines.

The great-granddaughter of a woman, whose body was found on Christmas Day in 1929 in a ravine, comes seeking resolution to the case. Lilly decides to investigate and finds the victim was pregnant to a wealthy man.

Nancy meets Rabbi Dave's friends during an awkward Shabbos dinner. Andy brings home a very special guest to meet the family. Silas prepares for his new business venture. Shane and Angela attempt to retrieve some stolen property. Meanwhile, Doug's homeless group threatens to leave him if he doesn't begin catering to their needs.