![In preparation for his role as Jack Crawford in Silence of the Lambs, Scott Glenn listened to the infamous Van Killers Tape the FBI uses to desensitize their agents. After a few In preparation for his role as Jack Crawford in Silence of the Lambs, Scott Glenn listened to the infamous Van Killers Tape the FBI uses to desensitize their agents. After a few](https://preview.redd.it/c17t9696q0p31.jpg?auto=webp&s=a913b694c87f3166bc42091a51869248a5a3406d)
In preparation for his role as Jack Crawford in Silence of the Lambs, Scott Glenn listened to the infamous Van Killers Tape the FBI uses to desensitize their agents. After a few
![Toolbox Killer' Lawrence Bittaker's murder tape left criminologist 'sick,' doc says: 'Severe case of torture' | Fox News Toolbox Killer' Lawrence Bittaker's murder tape left criminologist 'sick,' doc says: 'Severe case of torture' | Fox News](https://a57.foxnews.com/static.foxnews.com/foxnews.com/content/uploads/2021/10/1200/675/Toolbox-Killer-Victims.jpg?ve=1&tl=1)
Toolbox Killer' Lawrence Bittaker's murder tape left criminologist 'sick,' doc says: 'Severe case of torture' | Fox News
![Mindhunter season 2: The case that haunts real-life Mindhunter FBI agent John E Douglas | TV & Radio | Showbiz & TV | Express.co.uk Mindhunter season 2: The case that haunts real-life Mindhunter FBI agent John E Douglas | TV & Radio | Showbiz & TV | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/20/590x/John-E-Douglas-former-FBI-Agent-Mindhunter-1166740.jpg?r=1601993025589)
Mindhunter season 2: The case that haunts real-life Mindhunter FBI agent John E Douglas | TV & Radio | Showbiz & TV | Express.co.uk
![Toolbox Killer' Lawrence Bittaker's murder tape left criminologist 'sick,' doc says: 'Severe case of torture' | Fox News Toolbox Killer' Lawrence Bittaker's murder tape left criminologist 'sick,' doc says: 'Severe case of torture' | Fox News](https://static.foxnews.com/foxnews.com/content/uploads/2021/10/Getty_LawrenceBittaker_Trial.jpg)
Toolbox Killer' Lawrence Bittaker's murder tape left criminologist 'sick,' doc says: 'Severe case of torture' | Fox News
![Toolbox Killer' Lawrence Bittaker's murder tape left criminologist 'sick,' doc says: 'Severe case of torture' | Fox News Toolbox Killer' Lawrence Bittaker's murder tape left criminologist 'sick,' doc says: 'Severe case of torture' | Fox News](https://a57.foxnews.com/static.foxnews.com/foxnews.com/content/uploads/2021/10/1200/675/Getty_Toolbox_Killer_Victims.jpg?ve=1&tl=1)
Toolbox Killer' Lawrence Bittaker's murder tape left criminologist 'sick,' doc says: 'Severe case of torture' | Fox News
![TIL A tape created by the Tool Box Killers, Lawrence Bittaker and Roy Norris, detailing the torture of their final victim, Shirley Lynette Ledford, is used to desensitise FBI agents to violence. TIL A tape created by the Tool Box Killers, Lawrence Bittaker and Roy Norris, detailing the torture of their final victim, Shirley Lynette Ledford, is used to desensitise FBI agents to violence.](https://external-preview.redd.it/_mjqp1ImZdPFch70HGR6z-agt9_DCGdfcsvSfouxfvY.jpg?auto=webp&s=f2378369eeb23a9ec5e8f6a2c0de494de961796b)
TIL A tape created by the Tool Box Killers, Lawrence Bittaker and Roy Norris, detailing the torture of their final victim, Shirley Lynette Ledford, is used to desensitise FBI agents to violence.
![Chima on Twitter: "Norris joined in and raped her and hit her with a sledgehammer. This went on for two hours until Roy Norris strangled her to death. All of this was Chima on Twitter: "Norris joined in and raped her and hit her with a sledgehammer. This went on for two hours until Roy Norris strangled her to death. All of this was](https://pbs.twimg.com/media/Et4GQ2rXIAg8Smh.jpg)