Across centuries, crowds have convulsed, nuns have meowed like cats, factory workers have fallen “sick” from phantom June bugs, men have panicked that their bodies were literally shrinking away, and entire towns have watched mysterious tics spread like a virus. Doctors now call it mass psychogenic illness, terror and stress so contagious that they leave real bite marks, real vomit, real screams, and sometimes whole communities convinced that something impossible is hunting them.

The Stayner brothers’ story is a nightmare split in two: in 1972, seven‑year‑old Steven Stayner was abducted on his way home from school in California and held captive for seven years by a pedophile who tried to remake him as his “son.” Steven finally escaped as a teenager, rescuing another kidnapped child in the process and becoming a national symbol of survival, only for the family to be dragged back into horror decades later, when Steven’s older brother Cary was unmasked as a sadistic serial killer who murdered four women near Yosemite, turning one family’s tale of victimhood and heroism into something far darker and more tragic.

Behind the brick walls of the Fernald State School in Massachusetts, thousands of children, many poor, disabled, or simply unwanted, were warehoused for decades under the guise of “care” and “education.” Inside, they endured overcrowding, abuse, neglect, and secret radiation experiments in which boys were fed radioactive oatmeal and tracked like lab animals, all so researchers and corporate sponsors could collect data they never consented to give.

The school marketed itself as a place of opportunity, but for many of the children trapped there, Fernald was a closed world of humiliation and exploitation that only much later would be exposed as a hidden crime scene masquerading as a classroom.