Katherine Ellis, of the Westminister, Colo., Police Department, brushes away dirt from bones in a mock gravesite Wednesday, at Mount Charleston in Nev., 50 miles northwest of Las Vegas.
The dig was part of a seminar offered as part of the International Association for Identification conference taking place in Las Vegas. With the popularity of the Las Vegas-based "CSI : Crime Scene Investigation" television show, conference attendees say their profession is becoming more popular and schools are trying to keep up with the demand of would-be crime scene investigators. (AP Photo/Joe Cavaretta)
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