Why did Carol kill the little girl?

In "The Grove" after Carol and Tyreese discovered that Lizzie murdered Mika, Lizzie pointed her gun at them. Lizzie told Carol and Tyreese that she wanted to also murder Judith so that both Mika and Judith can come back as walkers. read more

Poor crazy thing thinks Carol’s mad at her for holding a gun on her to make sure they let Mika turn. She doesn’t get that she’s in trouble because she killed her sister. Let’s pick a bouquet for when Mika wakes up, Carol suggests. “Just look at the flowers.” And, while Lizzie’s back is turned, Carol shoots her. read more

For a show about zombies in its 4th season, you’d think that you’d no longer have the capacity to be shocked, but you’d be wrong. read more

Lizzie asks if Carol is mad at her for pointing her gun at Carol and Tyreese, pleading for Carol to not be mad at her. As she is crying, Carol tells Lizzie to look at the flowers. While she is, Carol takes her gun out and shoots her in the head. read more