12x11 Surface Tension
First Aired: Feb. 01, 2017 on CBS
Summary: When a bizarre hieroglyph found under a deceased homeless man’s armpit is the same from previous casualties a few years ago, the BAU is called in to investigate. Also, Reid decides to take his mother out of a clinical study early to bring her home with him,
Dr. Spencer Reid: [opening quotation] "We must remember that Satan has his miracles, too." - John Calvin.
Dr. Spencer Reid: [closing quotation] "Time moves in one direction, memory in another." - William Gibson.
- Goof (errors in geography): The early aerial arrival shot of a city center with lake and fountain, clearly labeled "Tampa, Florida," on screen, is actually downtown Orlando, Fl with it's Lake Eola.
- The song heard at the end of the episode, Amanda's Song, is sung by Jason Koiter, post-production supervisor on Criminal Minds.
- The aerial shot of Tampa, FL near the beginning of the episode is actually Orlando, FL looking WSW. The lake in the center of the shot is Lake Eola. This isn't the first time CM has used Orlando as a generic city in Florida (see Season 11 Episode 10 "Future Perfect" featuring Orlando as St. Augustine).