The name Sam Hyde is sort of an internet joke. It is always used when a major shooting event happens.
https://www.google.com/search?q=same+hyde&rlz=1C1CHFX_enUS607US607&oq=same+hyde&aqs=chrome..69i57j0l5.2455j0j7&sourceid=chrome&ie=UTF-8
ThanQ :)