Hi Park enthusiasts, I'm your host, Dylia DeAmbra, and today's story is one that I just

can't wrap my mind around.

After researching it and combing the internet for literally every scrap of information available,

I'm still mystified by the disappearance of 16-year-old Theresa Lynn Gibson.

Her case takes place in Great Smoky Mountains National Park.

A park I've talked about once before this season, in the episode about Michael Heron.

And like I told you then, the Smoky Mountains are really big.

Combined with some neighboring national forests, the Smokies in general take up a considerable

portion of Eastern Tennessee.

In October 1976, Theresa went on a field trip with her friends on a section of the Appalachian

Trail there and was never seen again.

Theories of what happened to her range from accident to abduction to conspiracy, and

the truth may be more terrifying than anyone will ever know.

This is Park Predators.

In the morning of Friday, October 8, 1976, Hope Gibson pulled up to the curb outside of

Beard and High School in Knoxville, Tennessee.

In the passenger seat was her 16-year-old daughter, Theresa Lynn Gibson, who ever called

Trendy.

Hope had already dropped off Trendy's two younger sisters at their schools, and Trendy

was her last stop for the morning.

Hope told her daughter goodbye and that she loved her and to be careful on her class'

field trip later that afternoon.

...