빌 텐치 (Bill Tench) is a fictional character from the popular television series Mindhunter. He is portrayed as an FBI agent who specializes in criminal psychology and the study of serial killers. His character is known for his analytical skills and dedication to understanding the minds of violent offenders. In the series, 빌 텐치 works alongside Holden Ford and Wendy Carr to develop criminal profiling techniques. The show is set in the late 1970s and early 1980s, highlighting the early days of the FBI's Behavioral Science Unit. Through his interactions with notorious criminals, 빌 텐치 helps shape modern criminal investigation methods.