Missing Cheerleader: Police Find Her Clothes

Sierra La Mar, 15, cheerleader disappeared in San Francisco.
1:51 | 03/23/12

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Transcript for Missing Cheerleader: Police Find Her Clothes
Let's turn the mystery of the fifteen year old cheerleader missing for a week now she didn't turn up for school police investigating new clues including pieces of clothing found near her home. ABC's Abbie Boudreau has more. Police say fifteen year old Sierra -- seen here in this exclusive video obtained by ABC news. Vanished 1 week ago this morning as she walked to her bus stop this small California town now investigators discovering disturbing new clues. Pair of pants and a T shirt. Nearly folded neatly put inside this bad. Police say they are still unclear if the former cheerleader ran away from home or was abducted. And see -- mother told ABC news the last time she saw her daughter was this Friday before leaving for work around 6 AM. Police say -- into text message to a friend about an hour later do you feel. That she's in danger yeah. -- -- Over the weekend Sierra cell phone was discovered in -- field less than a mile from her home but investigators now say forensics from her phone as well as from her personal computer are revealing no new leads that's the big concern that this has the potential. At least a -- stranger abduction investigators are questioning registered sex offenders in the area including -- father. -- police say he is not a suspect. In a statement Stephen Lawler says his past is quote not connected in any way to my daughter's disappearance. While Sierras mother at a vigil earlier this week is determined to keep the focus on bringing her daughter home. The question for Good Morning America Abbie Boudreau ABC news Los Angeles. -- -- it's more information so -- so soon.

This transcript has been automatically generated and may not be 100% accurate.

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