Speculation is rife over the authenticity of a US author's terrifying experience about a man living — and dying — inside the walls of his house as a small child.
New York based horror author Grady Hendrix posted Wednesday a series of tweets explaining how a man was found dead after he had been living inside the vents of his house for months on end.
The story has left some terrified, claiming they "will never sleep again" and dubbed, "the scariest story of things found in walls", but others doubted the legitimacy of the story.
"Everyone's telling scary stories for Halloween so I'll talk about something that happened to me when I was a kid because hey, trauma never gets old," Mr Hendrix wrote.
We won't go through the whole story — just the juicy bits — but you can read the entire thread here.