In the scene where Special Agent Gibbs is interviewing the female college student in her dorm room, the young woman shows Gibbs a picture of her boyfriend in Bahrain. The picture shows a sailor, in uniform, in front of a mosque. Military members are not allowed to go off base in their uniforms in Bahrain and there are no mosques on the base.
When McGee creates the map on his computer to retrace his sister's path from the night before, the icon for his apartment is located inside of Arlington National Cemetery.