Authorities in Southern California confirm that the girl whose body was found in a rugged area Tuesay was five-year-old Samantha Runnion.
She'd been taken from the townhouse complex where she lived Monday evening.
The Orange County sheriff says the body was found nude – and investigators believe the girl was sexually assaulted.
And he said there's a risk that the person who kidnapped her will strike again. Sheriff Mike Carona said he bases that on an FBI profile.
Carona said the fact that the body was left out in the open could be the killer's way of leaving a "calling card for future activity."
He said there was "no obvious cause of death" -- but that there appears to be some trauma to the girl's body. It was found Tuesday afternoon about 50 miles from the girl's home -- on the edge of the Cleveland National Forest in neighboring Riverside County.
During Wednesday's nationally-broadcast news conference, FBI agent Richard Garcia addressed the killer directly -- saying, "We will find you and we will bring you to justice."
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Facts About Kidnapping
Source: http://www.lostchild.net/abductions-prevention.htm (The Lost Child Web site)