Which strategy does "knock-and-talk" primarily utilize?

The "knock-and-talk" strategy primarily utilizes a proactive approach to law enforcement. This technique involves officers approaching a residence to speak with the occupants about suspected criminal activity. By initiating contact, law enforcement aims to gather information, build rapport, and potentially obtain consent to search without needing a warrant. The proactive aspect lies in engaging with the community and addressing issues before they escalate, rather than waiting for crimes to occur or responding only after a crime has been reported.

In contrast, the other strategies mentioned focus on different aspects of law enforcement. Reactive investigation techniques are more concerned with responding to incidents after they have occurred, rather than taking initiative to prevent crime. Randomized patrols are based on providing a visible police presence in certain areas, but do not specifically involve direct engagement with individuals. Digital surveillance focuses on monitoring suspects through technology, which is a more passive strategy compared to the direct interaction that "knock-and-talk" represents.