Can You Protect Them

He was an ordinary guy, who had unusual desires, ones that would dub him a serial killer. Unlike most, he decided to act on his whims. The media dubbed him the Professor, it fit. He was determined to learn new things, stuff others would balk at. The Cops and FBI upped the bets when they caught his trail.
Detective Remington Conahan was a little jaded and a lot dedicated. When the first body is found, he is called because everyone knows he will give her the justice she deserves. No one's life is worthless to him.
Knox Grayson is the newest member to join the Federal Paranormal Unit. When he gets a call from an old friend that a witch was killed and there is a threat of a new serial killer, he agrees to help with the investigation. What he didn't expect to find was a man who made him lose sight of why he was here.
When evil masquerades as a regular man and travels the country, can anyone protect them?