- You may be looking for serial killer George Michael Klassen.
When Lem was hiding in a trailer park, he went inside a trailer to help a kid that cut himself. When George heard the crying and walked in, he saw Lem with a gun, and asked his wife to call the cops. Lem told him he was a cop, but when George insisted, Lem fled.
When Jon Kavanaugh arrived to the trailer park, he showed George a picture of Lem for him to identify. After he identified him, George also told him that Lem looked scared.