Can you teach my 12 year old daughter to do "death growl" type vocals, preferably the deep, guttural, almost pig-squealing type? She's obsessed w/ Death Metal music and nobody in town can teach women or girls this vocal style.

Dude she can learn for herself on YouTube

I think that's an extremely niche style. They'll give her vocal lessons and how to stay on pitch and do vocal warm-ups, but she'd have to develop her style on her own

Ah whoa, I've never heard this kind of request. Great answer by Jacob.