" Just as the group dynamics within the cult pushed them toward their horrific conclusion, so too did the group dynamics within law enforcement. Both groups tragically disregarded input that did not fit their world view, their templates. The law enforcement echo chamber magnified rumors about Koresh beyond belief; at one point, there was actually concern that he’d developed a nuclear weapon and was planning to deploy it at the compound. Both groups listened primarily to people who simply confirmed what they already believed. "

― Bruce D. Perry , The Boy Who Was Raised as a Dog: And Other Stories from a Child Psychiatrist's Notebook