"Because of him, it's just ruined everyone's lives," she said.
If you are aware of how Scapgoating works (I am) Both of above statments, particularly linked, are textbook examples of verbally setting up a 'scapegoat'. If not actually linked in the interview than only the last part is textbook.
I thought I agreed with you that she was "scapegoating" DW for being the reason she lost her job (through her convoluted reasoning).
In your sentence about "more credance that he has been set up as a "Scapegoat". I thought you were referring to DW being framed for murder.