Karin Austin was a child walking in a forest when something took her memory and left a needle mark behind. Professor Jeffrey Kripal, host of "Archive X: Unexplained Phenomena," tells Ross Coulthart why he is convinced the encounter was physical and why he will not say what did it. Watch this full episode of "Reality Check": youtu.be/SsxFYulMHYc #KarinAustin #unexplained #encounter