Hi Park enthusiasts, I'm your host, Dilya DeAmbra, and today I'm going to tell you about

not one murder, not two murders, but four murders deep in the mountains of Oregon that for

47 years have gone unsolved.

In September 1974, Richard Cowden, his wife Belinda and their two small children, David

and Melissa, camped at Carberry Campground in Copper, Oregon for a fun holiday weekend

of fishing and family time.

Their disappearance into the woods of the Siskiyu Mountains that straddle the Oregon and California

border is one of the most baffling crimes in American missing person's history.

The secret to finding out who really stalked, kidnapped and killed them on that Labor Day

weekend nearly 50 years ago might be sitting beneath the waters of Appalgate Reservoir.

In the late 70s, the United States government intentionally flooded over the town of Copper

and created the 200 foot deep water feature that engulfs half of the valley to this day.

Beneath the reservoir's milky blue waters lies a mystery so baffling and a story so huge

that I'm not sure anyone will ever be able to get to the bottom of it.

This is Park Predators.

On Sunday night, September 1, 1974, Ruth Grayson was sitting at her home in the small town

of Copper, Oregon.

It was dinner time and any second she expected to see her 22 year old daughter, Belinda

Cowden.

Belinda's 28 year old husband Richard and their two kids, five year old David and five

month old Melissa.

After a few minutes of waiting, Ruth started to worry, a half hour turned into an hour

...