[Abigail folds her arms in response, a perfect mimic. Her fingers are trembling; she clenches them tight on her arms to make them stop. She's angry, but she's also terrified. And how dare Elena know her well enough to see that?]

Just like we talked about. Put the blood in a strongly-flavored drink - I have several ideas - have him drink it. Then you break his neck.

Nothing to it.