Using MO to link crimes can be problematic.
Telling the community a serial killer is out there stirs up a lot of unpleasant attention.
Serial killing is not about sex at all, but about power and control and revenge on society.
Outside of dumb luck, the number one way serial killers are caught is through the help of the public.
Often I am asked if there is any such thing as a female serial killer.
Nowadays, with much more racial and ethnic mixing, we are seeing serial killers murdering a variety of victims; whoever comes along will most likely do.