SAUL!!!! He is Branded!!!! Things are coming together.. Bill Roberts had no knowledge of the outbreak till after.. He was afraid of Death so he tattooed himself with all the protection markings from all cultures. His experiments were to figure it all out.

Tanya mentioning his being infected fixed him.. Now so much makes since.

Omega Man. I am Legend. Etc.. Men were the monsters in the Dark. Not the other way.