SCURRY COUNTY, Texas -

As investigators work to identify skeletal remains found Saturday in Scurry County, we were curious to know more about the process they're going through.

Retired Special Agent Gary Macnoll spent many years in the Abilene FBI office. Macnoll has nothing to do with the Scurry County investigation, but has been involved in similar cases.

Macnoll said the FBI doesn't show up to every investigation involving a decomposed body, so when they do, there’s a reason.

"In general terms I mean the FBI has a juvenile that has been missing for several years and it would be a logical investigative step to attempt to identify any human remains that are found in this area," Macnoll said. 

Mitchell County authorities and Colorado City police were at the crime scene Tuesday, but Macnoll said that's not unusual.

"When there's a missing person from another county all the law enforcement agencies from various counties and departments would work together," said Macnoll. 

He said the FBI could have discovered many clues besides skeletal remains in the area around the body.

"You know also crime scenes could contain other things it could contain remnants of clothing, you know, hair fiber, not just bones," Macnoll said.