A Detective Sergeant is a rank within a police department, typically responsible for overseeing a team of detectives. They investigate serious crimes, gather evidence, and interview witnesses. This role requires strong leadership skills and a deep understanding of criminal procedures. Detective Sergeants often collaborate with other law enforcement personnel, such as Detectives and Police Officers, to solve cases. They may also work closely with prosecutors to prepare cases for court. This position usually requires several years of experience in law enforcement and a commitment to ongoing training in investigative techniques.