In mystery fiction, what is the term for a character who actively obstructs or hinders the detective's investigation, often with hidden motives?
A. Antagonist
B. Detective Obstructor
C. Mystery Saboteur
D. Investigative Adversary
An antagonist is a character in mystery fiction who actively obstructs or hinders the detective's investigation, often with hidden motives or conflicting interests, creating conflict in the narrative.