Which behavioral cues might suggest an individual is planning a crime?

The choice indicating nervousness and suspicious glances at security is correct because these behavioral cues often signify that an individual might be anxious or worried about being watched or caught. Such behaviors can include fidgeting, avoiding eye contact, or frequently checking their surroundings, which could imply an intention to engage in criminal activity. When someone appears concerned about the presence of security, it often indicates that they may have something to hide or are contemplating an illicit action.

In contrast, cautious movements and a polite demeanor might suggest someone who is simply being careful rather than plotting a crime. Confident walking and direct eye contact typically convey assurance and openness, which are not indicative of criminal intent. Lastly, engaging in casual conversation with security personnel generally suggests a non-threatening demeanor, as individuals who are planning a crime are less likely to engage with security in such a way.