Interviewing is one form of communication used by law enforcement to:

Interviewing serves multiple vital purposes in law enforcement, making it an essential form of communication involved with various processes. It is used not only to screen applicants for positions within the agency but also to gather crucial information from witnesses and suspects in investigations.

When screening applicants, interviews provide an opportunity for law enforcement agencies to assess candidates' qualifications, suitability, and interpersonal skills. This is essential to ensure that the best candidates are selected for roles that require strong communication and critical thinking abilities.

In the context of gathering information, interviewing witnesses is a fundamental part of investigating crimes. It allows officers to collect firsthand accounts and details relevant to incidents, which can significantly aid case development and understanding.

Finally, obtaining confessions from suspects through interviews involves employing effective techniques to encourage truthful disclosures about criminal conduct. This can be critical in solving cases and bringing justice.

Thus, the comprehensive role of interviewing across these different scenarios underscores its importance in law enforcement, and choosing "all of the above" reflects the multifaceted nature of this communication tool.