Ok, so here's how I know that Hershel had to know Sophia was in the barn in the midseason conclusion of the Walking Dead.

Season 2, Day 0: Herd event, Sophia is lost in the woods. During the search, Otis shoots Carl.

This is important.

Rick takes Carl to Hershel, who then begins the process of saving Carl. Otis and Shane go for the supplies at the ( Read more... )