Even if Aaron has Lazarus powers, he doesn't have the "Jesus" powers of raising Lazarus does he? To technically isn't Aaron a zombie with the nanites keeping him animated? Lose the nanites and Aaron becomes a corpse? I also, this might be a good time to (a) finish Cynthia's role in the show, and (b) tell us the…

Well, in the comics, Tyreese has a daughter- Julia or Julie, who dies in a suicide pact. When Sasha joined the show I figured they made Tyreese older (he looks mid 40s) and Sasha seems early to mid 20s. But you might be right- could be a younger sister.

Sasha is his daughter.

Yep, talk about character development!