There are several synonyms for the term "detective force." One alternate term is "investigative unit," which refers to a specialized department within a law enforcement agency that is responsible for solving complex crimes. Another synonym is "crime investigation division," which typically refers to a team of detectives who investigate serious criminal offenses, such as homicides or burglaries. Some other synonyms include "detective squad," "crime scene investigation team," and "criminal investigation department." These terms all refer to law enforcement units that are tasked with solving crimes and apprehending perpetrators through a combination of investigative techniques and evidence gathering.