Jennifer vanished sometime in the overnight hours.

Right now there is no trace.

Investigators say evidence leaves them to believe that she's dead.

Stick my nose back on the trail.

That's all I can do. This is already gone.

All right. While I covered Holly's case in 2017, there is new and updated information.

Even if you listen to the original episodes, you will find this episode worth a listen. Do you remember 1976? 1976 was the American Bicentennial.

It was also the year that the Concord, a supersonic jet, took flight, and if you lived in Pennsylvania, maybe you celebrated the Steeler Super Bowl win in January.

At the Branigan household in Bethlehem, Pennsylvania, it was a difficult time.

1976 was the year that Holly's mother, Peg, lost her battle with leukemia.

She'd been sick for quite a while, but her two children, 14-year-old Holly, and Holly's older brother

Sean were devastated by the loss of their mother.

Holly tried to take things in stride, filling the role of Lady of the House where she could.

Her father, a sales rep for a local cement firm, did his best to keep things normal for the kids and provide stability.

In the spring of 1979, Holly was 17, a senior at Freedom High School. She was dark-haired and pretty and she took on a lot of responsibility

at home, but she balanced that with her friendships and being active in the school choir.

Like many of her friends, she'd seen John Carpenter's groundbreaking horror film Halloween.

Moviegoers were frightened by a new boogie man,

a knife-wielding maniac named Michael Myers.

With its creepy theme music and familiar neighborhood setting, the movie was wildly popular

and provided thrills for audiences.

Holly didn't know that her life was going to take a very dark turn,

...