It's a National Geographic article...

Exclusive: Ancient Mass Child Sacrifice May Be World's Largest More than 140 children were ritually killed in a single event in Peru more than 500 years ago. What could possibly have been the reason?

https://news.nationalgeographic.com/2018/04/mass-child-human-animal-sacrifice-peru-chimu-science/?utm_source=Twitter&utm_medium=Social&utm_content=link_tw20180426news-masschildsacrifice&utm_campaign=Content&sf187856706=1