Actress Lauren Holly plays Captain Bennett (as seen on the door of her office), but the credits wrongfully spell "Bennett" as "Bennette" with an E at the end.
Having entered a suspect's home that's been empty for a while, Mack touches three dangling ornaments. They (and only they) swing slightly, likely from Mack touching them in a previous take.
It's doubtful an FBI agent could "order" a local law enforcement detective to do anything. The detective works for the police department. The FBI agent is not her commanding officer.
The main criminal in this story makes a jump from jewel thief to would-be cold-blooded killer.