(CBS/AP) Nevada authorities have identified the second girl found on a videotape that shows sex acts by a man on a girl around 4 or 5 years old.
"We've ensured that she is safe and that she is well. We've ensured that she did not suffer as a victim at the hands of that perpetrator, as did that little girl," Nye County sheriff's detective David Boruchowitz said on CBS News' The Early Show.
The younger girl still has not been found. The second girl is estimated to between 10 and 12 years old.
"We did confirm that she is a resident here, although, as far as we can tell, she has no ties to that little girl," Boruchowitz told co-anchor Harry Smith.
"It appears to be some kind of peep show" of the older girl, Boruchowitz said earlier.
Authorities are still searching for the younger girl and the man in the videotape.
"We have no idea where he's from, where she's from, and no idea who they are or where they are," Boruchowitz said earlier in the week.
The tape, a little longer than 30 minutes, clearly shows the adult man performing criminal sexual acts that Boruchowitz said included rape, "everything else, and then some."
"There is nothing in her eyes. It's like her soul has been taken, her spirit has been taken," Sheriff Tony DeMeo said. "We want to find this girl. I know everybody else out there wants to find this girl."
"This poor little girl, she's probably going to be going through - well, she obviously has been through hell," Ed Smart, whose daughter Elizabeth was abducted in 2002, said on CBS News' The Early Show. He is now part of an organization called The Surviving Parents Coalition.
Elizabeth Smart was found nine months later, and her kidnappers arrested. Smart hopes this little girl will be found, too.
"I know that somebody out there knows where she is or something about her and can help identify her," he told Smith. "And it's just critical that we find her."
The older girl did not appear to have been sexually abused on the tape and the footage appeared to have been shot from a different room, Boruchowitz said.
Investigators are also examining whether the two segments were filmed with the same video camera, he said.
A 26-year-old Pahrump man, Darren Tuck, surrendered the tape to Nye County sheriff's investigators Sept. 8, after another man reported seeing it, Boruchowitz said.
Tuck told detectives he found the videotape in the desert outside Pahrump more than five months ago, although Boruchowitz said the tape didn't appear to have been exposed to weather or elements.
Boruchowitz said investigators don't think Tuck made the tape. Tuck was arrested Sept. 19 on charges of promoting child pornography and possession of child pornography, felonies. The top charge carries a possible sentence of up to life in prison.
Tuck was released without bail, pending arraignment Nov. 26 in Pahrump Justice Court, a court official said.
"Right now, my understanding is he's cooperating with the district attorney's office," Boruchowitz said on The Early Show. "At the time of the investigation, he chose not to talk with us any further once he gave us his initial story."
Pahrump is a small town 60 miles west of Las Vegas.
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