I've seen a few stories, published before today's one, where a suspect was named as rapper Abdel-Majed Abdel Bary, AKA L Jinny.
He may not have been Jihadi John but is probably another name and face on the wanted list.
Can you see that you have contradicted yourself here?
"I don't believe IS is real" then you give a motive for it being real "a dude kills people in revenge"
???