There is no gated community in Las Cruces, New Mexico called Oak Hill with security guards. Though there are security companies in the Las Cruces area, they do not patrol residential areas. The local sheriff's department responds with police calls as well. It is accepted practice for fictional television shows to include fictional settings, especially when the real locations might be stigmatized due to the fictional occurrences.
When the team regroups after the meeting in the community church, Dr. Reid walks up to the team with information. After his line, he looks at Seaver, and they both break character and smirk at each other. Dr. Reid looks down and closes his mouth so that he doesn't laugh.
When Agent Seaver brings a laptop back to the family of one of the victims, the husband is holding a box labeled " Kitchen" and "Dinning Room", with Dining room misspelled.