HiIf the alpaca are so important to her, maybe she will learn how to provide protective shelter for them. A simple step.
"Sacrificial animals" would be yet another ill move. For her and the puma. All this would do would encourage the cat to return to a place where easy meals are readily available.
Tho the cougar kill is old news, here's an update---Ms Demarchis got 2 Labs as guard dogs, rather than make the effort to enclose her alpacas each night. These unneutered dogs were kept in a small corral adjacent to the alpacas. The dogs seemed neglected and bored, with incessant barking.(I'm a neighbor and I know.) Recently the dogs got in with the herd and killed 5 alpacas!!!!!
This woman should NOT have any animals in her 'care'!
Thought you might be interested.