EVANSDALE, Iowa (AP/CBS) - Investigators searching for two missing Iowa cousins said they want to interview a person who was paddleboating on a lake near where they disappeared 10 days ago.
FBI spokeswoman Sandy Breault said Monday that investigators want to interview the person who was boating July 13 on Meyers Lake because that person may have information that could help the search for 10-year-old Lyric Cook-Morrissey and 8-year-old Elizabeth Collins.
Breault said the boater is not a suspect but that investigators "really do need to talk with the person." The boater has not voluntarily come forward to speak with investigators, who for days have urged the public to step forward to tell what they know. The girls' bikes were found near the lake.
Breault said investigators still believe the girls are alive.
She refused to say what led authorities to that conclusion, but told reporters that investigators are expanding their search beyond Iowa.
The announcement came a day after authorities said they believe the girls were abducted.
Breault also said that while authorities have not received total cooperation from every family member and friend they've spoken to, "the majority of the family has cooperated 100 percent."
The girls vanished July 13 while riding their bikes near Meyers Lake in the northeast Iowa town of Evansdale. Their bikes were later found on a path near the lake.
Breault said investigators are interviewing "persons of interest" in the case, whom she declined to identify.
(Copyright 2012 by The Associated Press/CBS News Interactive All Rights Reserved.)
Elizabeth Collins (left) and Lyric Cook-Morrissey (right)
