8x01 The Silencer
First Aired: Sep. 26, 2012 on CBS
Summary: When a Texas prisoner escapes during a transfer, he leaves behind victims with his unique trademark, sewing their mouths shut, a signature the BAU remembers as unique to the UnSub "The Silencer." While they investigate who he was and who he's become, the BAU also gets to know the newest…
Main Characters in this Episode
- Goof (errors made by characters, possibly deliberate errors by the filmmakers): Blake says that the fact that the unsub knows IPA (International Phonetic Alphabet) is "proof" that he can hear. The word "proof" is too strong an assertion, and a scholar with as many academic credentials as Blake has would not use it in this fashion. Knowledge of IPA only proves knowledge of IPA (although it is a strong indicator of knowledge of speech sounds) - "proof" that an individual can hear in the absence of any behavioral indicators usually has to be done with some sort of neurological other audiological testing that is not dependent on behavioral measures.