TODAY | October 08, 2012
>>> police believe a backpack and water bottle found sunday belonged to a 10-year-old denver-area girl missing since friday.
>> we believe the backpack to be jessica 's.
>> reporter: the focus of the investigation into the disappearance of 10-year-old jessica ridgeway shifted on sunday after her backpack and water bottle were found roughly 15 miles away from her home.
>> identifying that we believe it's her backpack is something that allows our investigation to focus and broadens and expands that investigation.
>> if you see anything that you think is significant, get your attention.
>> reporter: jessica 's mother was the last to see her as she left for school on friday. her mother just finished her overnight shift and woke to discover her daughter had disappeared.
>> if you got her, get her back to her parents. we would appreciate it. she's a beautiful wonderful little girl , and we want her back.
>> if it was my child, i would want someone out here looking for my child.
>> reporter: hundreds of people from jessica 's colorado community joined the search over the weekend.
>> a community out here right now that's pulling together to find every piece of evidence they can to get this girl back to her mom.
>> reporter: jessica 's father lives in missouri. her parents had been in court recently regarding her custody. however, police say at this point there is no person of interest in her disappearance. and an amber alert has been in effect for jessica since friday.