BETHEL PARK (KDKA) — Detectives from Nevada are in the Pittsburgh-area today to continue their investigation into the death of Bethel Park woman, Jaime Feden.

The 33-year-old’s body was found in the desert about 80 miles north of Las Vegas.

(Photo Credit: KDKA)

The investigators from Lincoln County, Nevada, are working in partnership with Bethel Park Police on the case.

There’s a lot of information they’re looking to gather. KDKA has learned that they will be conducting interviews while they’re here.

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Her remains were positively identified late last month through dental records, but Feden hadn’t been seen since mid-September here in Pennsylvania.

Feden’s former boyfriend, John Chapman, is charged with kidnapping her.

(Photo Credit: KDKA)

He appeared before a judge for a preliminary hearing this afternoon and was held on all charges.

“As a family, this is as bad of a blow to the gut as anyone could ever have. I would never wish upon anybody. But as a family, we’ve decided we’re gonna celebrate Jaime’s life privately amongst friends, family, people that knew her and not in the public arena,” said Jaime’s uncle Keith Lewis. “His actions speak for itself.”

Police say Chapman, 39, admitted to taking Feden into the desert, tying her to a signpost and suffocating her.

WATCH: KDKA’s Pam Surano reports live from outside the Allegheny County Jail.

“Pretty cold and calculated that someone would take somebody like this out into the desert and do what they allegedly did,” Lincoln County Sheriff Kerry Lee told KDKA News last month.

The FBI is also assisting in the investigation.