Below is the link to the Google search re a link with Asperger and mass killers.
https://www.google.com/search?q=Aspergers+Syndrome+and+mass+killers&rlz=1C1AFAB_enUS489US567&oq=Aspergers+Syndrome+and+mass+killers&aqs=chrome..69i57.25832j0j4&sourceid=chrome&es_sm=93&ie=UTF-8