"In many instances tribal authorities remove and sell these horses into the slaughter pipeline. Sometimes these removals create a huge public interest; many times happen without any knowledge outside the borders of the reservation. Legally these are NOT considered wild horses but the private property of tribal members; most often seen as domestic livestock by the tribe, just like their cows. At this moment (5/2014) the Yakima (Yakama) tribes in Washington state are removing and selling horses through a known killbuyer they have worked with before." As a note the Yakima have been pushing for a horse slaughter facility on tribal land." https://wildhorseeducation.org/reality-of-wild-horse-slaughter/ There.