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No arrests decades after 4 women found dead in Weld County

Four women known to work along Colfax Avenue were found dead in Weld County between 1981 and 1992. All four cases remain unsolved.

Janet Oravetz (9News), Darius Johnson

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Published: 7:15 AM MDT May 23, 2022
Updated: 10:02 AM MDT June 1, 2022

Yvonne Rabb. Robin Nelson. Valerie Meeks. Tammy Cheeks.

Decades after the four young mothers with a connection to Denver's Colfax Avenue were found dead in Weld County, their deaths remain a mystery.

And they are not alone. Other young women turned up dead in rural counties which led to the formation of the Denver Homicide Task Force, according to the Weld County Sheriff's Office (WCSO).

"It was formed in August 1988 investigating the possibility that there was a serial killer killing prostitutes in the Denver area between 1975 and 1995, and my cases are right in there, from '81 to '92," said Byron Kastilahn, a cold case detective with the WCSO.

His still unsolved cases involve four women who were found dead in the county.

  • Yvonne Rabb, 28
  • Robin Nelson, 22
  • Valerie Meeks, 36
  • Tammy Cheeks, 24
Credit: KUSA
From left to right: Valerie Meeks, Robin Nelson, Yvonne Rabb and Tammy Cheeks.

"It's just trying to develop what the pattern might be. There's obviously the pattern of their sex, race, that they're prostitutes in the Denver area – that they lived in the Denver area," Kastilahn said. "They appeared to be dumped off of county roads, rural areas."

For Rabb and Nelson, the similarities appear to end there, but the unsolved killings of Meeks and Cheeks could have been carried out by the same person.

"They were both found in Weld County. They had been murdered and had plastic bags over their heads," Kastilahn said. "My theory is they are probably related."

This story is the first in an ongoing series dedicated to the coverage of cold cases across Colorado.  If you know of a case that should be featured, email ColoradoUnsolved@9news.com

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