Revealing mistake: Carl is walking toward a walker embedded to a tree. In the background there's a female walker wearing a distressed white dress with long black hair and a bear trap caught on her leg, standing in the back waiting for her scene to walk out. (00:22:30)
The Day Will Come When You Won't Be - S7-E1
Revealing mistake: When they pick up Glenn's body, for a brief moment, you can see his head is fully intact.
Answer: No, she actually tries to talk Rick out of it, but he's already made up his mind, minutes later when Daryl asks him about the location of his brother Lori says "he'll show you."