Jennifer vanished sometime in the overnight hours.

Right now there is no trace.

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

Stick my nose back in that trail. That's all I can do.

This is already gone.

Already gone.

Already gone.

On February 9, 1991, Brad King found his wife.

Uncle News anchor Diane King, dead in the driveway of their farmhouse.

She'd been shot twice.

At first, police looked for an obsessed fan.

Someone who carried their interest in the pretty, dark-haired woman way too far.

But this case would leave them somewhere much closer to home.

Come with me to the spring of 1956 in Detroit, Michigan, when Diane Marlar is born to parents

Frida and Herbert Marlar.

Diane Marlar was one of four children and a member of the Mohawk Nation.

When she was a girl, her father passed away and her mother remarried a man named Royal Newton.

Diane then changed her last name from Marlar to Newton.

Like my own mother in the 1970s, Diane was a student at Wayne State University in Detroit.

Diane went on to earn a degree in communications.

Then she enlisted and served in the Army Signal Corps.

After her military service, she took a job in Denver, working as a researcher for a news station.

...