Father of missing college student Mollie Tibbetts believes she was abducted by someone she knows


The father of missing Iowa college student Mollie Tibbetts believes his daughter was abducted by someone she knows and that they are now "in over their head."

Tibbetts, 20, was last seen in the small town of Brooklyn on July 18, and did not show up for work the following day.

Investigators have stayed relatively mum, but local pig farmer Wayne Cheney, who has a history of stalking arrests, says he has been questioned multiple times. Cops have not identified any suspects.

Dad Rob Tibbetts told CBS News that he believes Mollie left with someone "willingly" and with someone she trusted.

"Now they're in over their head and they don't know what to do," Rob Tibbetts tells CBS.

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Missing Iowa student Mollie Tibbetts found dead
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Missing Iowa student Mollie Tibbetts found dead
A ribbon for missing University of Iowa student Mollie Tibbetts hangs on a light post, Tuesday, Aug. 21, 2018, in Brooklyn, Iowa. Tibbetts was reported missing from her hometown in the eastern Iowa city of Brooklyn in July 2018. (AP Photo/Charlie Neibergall)
This undated photo provided by the Iowa Department of Public Safety shows Cristhian Bahena Rivera. Authorities said on Tuesday, Aug. 21, 2018, that they have charged a man living in the U.S. illegally with murder in the death of Iowa college student, Mollie Tibbetts, who disappeared a month ago while jogging in a rural area. Iowa Division of Criminal Investigation Special Agent Rick Rahn said that Rivera, 24, was charged with murder in the death of Tibbetts. (Iowa Department of Public Safety via AP)
A county truck blocks a gravel road, Tuesday, Aug. 21, 2018, near Brooklyn, Iowa. Police say a body believed to be that of 20-year-old college student Mollie Tibbetts has been discovered in a rural area near where she went missing last month. University of Iowa student Mollie Tibbetts was reported missing from her hometown in the eastern Iowa city of Brooklyn in July 2018. (AP Photo/Charlie Neibergall)
People in the courtroom reacts after Cristhian Bahena Rivera's initial court appearance, Wednesday, Aug. 22, 2018, at the Poweshiek County Courthouse in Montezuma, Iowa. Rivera is charged with first-degree murder in the death of Mollie Tibbetts, who disappeared July 18 from Brooklyn, Iowa. (Jim Slosiarek/The Gazette via AP, Pool)
(Photo via Facebook)
Cristhian Bahena Rivera speaks with his attorney during his initial court appearance, Wednesday, Aug. 22, 2018, at the Poweshiek County Courthouse in Montezuma, Iowa. Rivera is charged with first-degree murder in the death of Mollie Tibbetts, who disappeared July 18 from Brooklyn, Iowa. (Jim Slosiarek/The Gazette via AP, Pool)
(Photo via Instagram)
A poster for missing University of Iowa student Mollie Tibbetts hangs in the window of a local business, Tuesday, Aug. 21, 2018, in Brooklyn, Iowa. Tibbetts was reported missing from her hometown in the eastern Iowa city of Brooklyn in July 2018. (AP Photo/Charlie Neibergall)
My first experience as a best man went well🎉
Cristhian Bahena Rivera is escorted into the Poweshiek County Courthouse for his initial court appearance, Wednesday, Aug. 22, 2018, in Montezuma, Iowa. Rivera is charged with first-degree murder in the death of Mollie Tibbetts, who disappeared July 18 from Brooklyn, Iowa. (AP Photo/Charlie Neibergall)
You guys really thought I was gonna let a birthday pass without a selfie?😎 (posting a day after but I took it on my birthday so whatever)
Just a Hawkeye with her hot guy 💛🖤
A poster for missing University of Iowa student Mollie Tibbetts hangs on the front door of a local business, Tuesday, Aug. 21, 2018, in Brooklyn, Iowa. Police say a body believed to be that of 20-year-old college student Mollie Tibbetts has been discovered in a rural area near where she went missing last month.Tibbetts was reported missing from her hometown in the eastern Iowa city of Brooklyn in July 2018. (AP Photo/Charlie Neibergall)
Happiest of birthdays to the person who made track bearable. Of all of the laps we ran together, the last one was the hardest (even if we made it the slowest) because we were ending quite an era😉 You are such a happy, hardworking, and genuine person, and I'm so lucky I get to call you my friend. Happy birthday my dude 😘😊
A ribbon for missing University of Iowa student Mollie Tibbetts hangs on a light post, Tuesday, Aug. 21, 2018, in Brooklyn, Iowa. Police say a body believed to be that of 20-year-old college student Mollie Tibbetts has been discovered in a rural area near where she went missing last month. Tibbetts was reported missing from her hometown in the eastern Iowa city of Brooklyn in July 2018. (AP Photo/Charlie Neibergall)
Cristhian Bahena Rivera is escorted into the Poweshiek County Courthouse for his initial court appearance, Wednesday, Aug. 22, 2018, in Montezuma, Iowa. Rivera is charged with first-degree murder in the death of Mollie Tibbetts, who disappeared July 18 from Brooklyn, Iowa. (AP Photo/Charlie Neibergall)
Currently wishing I was exploring water falls with best friend instead of sitting in an airport
A poster for missing University of Iowa student Mollie Tibbetts hangs in the window of a local business, Tuesday, Aug. 21, 2018, in Brooklyn, Iowa. Tibbetts was reported missing from her hometown in the eastern Iowa city of Brooklyn in July 2018. (AP Photo/Charlie Neibergall)
I can't think of a caption but New York is cool
A poster for missing University of Iowa student Mollie Tibbetts hangs in the window of a local business, Tuesday, Aug. 21, 2018, in Brooklyn, Iowa. Tibbetts was reported missing from her hometown in the eastern Iowa city of Brooklyn in July 2018. (AP Photo/Charlie Neibergall)
Cristhian Bahena Rivera is lead into the courtroom for his initial court appearance, Wednesday, Aug. 22, 2018, at the Poweshiek County Courthouse in Montezuma, Iowa. Rivera is charged with first-degree murder in the death of Mollie Tibbetts, who disappeared July 18 from Brooklyn, Iowa. (Jim Slosiarek/The Gazette via AP, Pool)
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He told ABC News that he believes she is with someone who misunderstood her intentions, but admits it is "totally speculation."

A reward fund for Mollie's safe return has reached $260,000. Rob Tibbetts is still hopeful that the University of Iowa student will be found alive.

"I do really believe that what happened to Mollie wasn't that someone set out to harm her," he told ABC News. "I think because they haven't found Mollie, that Mollie is still some place, and we can get her home."

A GoFundMe page supporting the search efforts has raised more than $19,000. Anyone with information on her whereabouts to contact the Poweshiek Sheriff's Office at (641) 623-5679.

"We're gonna come get you," Rob Tibbetts tells CBS News. "Everybody's looking."

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