Sue Goodman

Gideon, Hotchner and their team reopen the unsolved case of a serial killer who has attacked someone for the first time in 20 years.

It's finally time for George and Susan's wedding. George doesn't think he can go through with the wedding. But when Susan puts George in charge of the wedding invitations, George gets the cheapest ones in the lot, knowing that the glue for the envelopes is cheap. Unfortunately for Susan, the glue is also toxic and licking the envelopes has fatal consequences.

Sipowicz and Clark Jr arrive on the scene at a park, where a five-year-old girl has gone missing, when her father thought that the girl was being watched while he went to the bathroom.