In season 1 episode 1, Criminal Minds, Gideon is giving a lecture at FBI academy, he mentions the killer they are looking for exhibits the following traits:
- Stutters, Gideon explains stuttering is the reason why the killer only picks up people from remote locations due to lack of confidence and feels shameful of being stuttering.
- Owns an American made truck and it is in disrepair. How does Gideon reach this conclusion? It has never been explained.