Netflix fans have been left horrified after its sickening new true crime show, American Murder: The Family Next Door, hit their screens.
The documentary investigates the 2018 crimes of Chris Watts, 35, who brutally killed his pregnant wife Shanann, 34, and their two daughters Bella, four and Celeste aged three.
The synopsis for the show, which dropped on Netflix last week, reads: "Using raw, firsthand footage, this documentary examines the disappearance of Shanann Watts and her children, and the terrible events that followed."
But there's one detail that fans may have missed in the scene where Chris agrees to take a polygraph test.
Results from the interview - which actually lasted seven hours, not the short amount of time we saw on the show - stunned authorities, not only because Chris' polygraph test came back negative, but because the statistics were so incredibly low.
According to reports, as told by Hello! he scored minus 18.
But the average score to indicate that a person is lying is around minus four.
Although the test results themselves were not able to be used in a court of law as evidence, his results clearly panicked him, and eventually caused him to confess.
He was subsequently arrested and taken in for further questioning, where he later admitted to killing their daughters and dumping their bodies in an oil tank.
Chris is now serving five life sentences without parole at the maximum-security facility, Dodge Correctional Institution.
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