She does seem authentic and genuine. For reference, I was sexually manhandled at a Walmart in 1985. It was beyond bizarre. When store security was completely incompetent, i drove myself to the police station. When they considered this a run of the mill perv, I insisted and insisted there were bodies somewhere and that there would be more. They either took me seriously or placated me by calling in a sketch artist who drew the face of a man who years later turned out to be Dennis Rader, commonly known as BTK the serial killer. Yes, there had already been multiple bodies before. And the woman he killed after me looked nearly identical to me at that time.
Woman says she went on two dates with Rex.
Gut instincts are actually a complex highly refined conglomeration of assessing many many cues at lightning speed. Always trust your gut instincts and take no chances.