Remember that time the FBI hired a serial killer as a paid informant ?yeah that was great !

[nagantguy]

Serial killer FBI informant tricked feds for years while preying on victims: former agent

Scott Kimball pleaded guilty to four murders while working as an FBI informant and was sentenced to 70 years in prison in 2009 for his crimes in Colorado.

www.foxnews.com

And I’m sure they had “no idea “