This is the first episode in our latest season covering unsolved homicides across the United States

and the first in a two-part series. The views, thoughts, and opinions expressed are solely the

interviewee zone. All individuals are presumed innocent until proven guilty in a court of law.

This two-part series discusses drug use, violence, crime scenes, autopsy, homicide, and suicide. If you or

loved one is struggling with suicidal thoughts, please call the National Suicide Prevention

Lifeline at 800, 273, 8255 or 911 if there's an immediate emergency or crisis. Listener discretion is advised.

This is the fall line.

1985, Dallas, Texas, the real estate boom meant never-ending construction, and the population grew steadily,

new opportunities and employment for residents, and more crime to, nearly universal in

major metropolitan areas in the late 1980s, and Dallas was no exception.

Dallas was still years off from a banking crisis that would change the

city's landscape. New residents flooded in, and the city was busy and lively and bustling. In late June,

it was stiflingly hot, with highs creeping into the 90s, heat settled into asphalt and reflected off metal and glass onto sidewalks

where residents rushed past each other. Twenty-four-year-old Catherine, Katrina Maury,

was one of those people, living in a little apartment in the city. She wasn't a Dallas native.

She was born in Kansas. But at 18, she'd followed her sister Joanne to the city.

Katrina traveled back and forth between the two states often, even spending time living back at home.

Joanne stayed in Texas. She had legal issues that complicated her return to Kansas.

Katrina had been home to Kansas as recently as Christmas, and she spoke to her youngest sister Deborah practically every day.

Deborah had never permanently joined Joanne and Katrina in Dallas.

She was enrolled in school back in Kansas,

and they'd grown up in a big, close-knit family,

...