The FBI have drafted in agents from around the country to help find the 20-year-old college student, who vanished from Brooklyn, Iowa on July 18, and sources close to the investigation exclusively told RadarOnline.com they are confident the mystery will soon be solved.
The FBI has obtained surveillance footage and credit card information from various businesses located in the county and beyond, but sources said it appears feds are particularly interested in what they discovered at a car wash in Brooklyn, where she was last seen.
"There is a concrete timeline," the source said. "There are credible witnesses who helped authorities determine she went missing during a five-hour window between 5 pm and 10 pm on July 18."
"The FBI is taking full advantage of all resources available to them. They want this solved – they don't want another Amanda Berry situation," the source added, referring to the Cleveland "House of Horrors" case where monster Ariel Castro captured and tortured three women in his home for a decade.
The source said field offices are deploying drones, using state-of-the-art satellite trucks and have set up several base camps in empty barns as they prepare to close in on the perpetrator.
"There are witnesses. The FBI along with local, state and other federal agencies spoke to approximately 500 individuals that shared information," the source claimed. "Credible leads have helped agents zero in on five key locations."
One of those locations was the local D&M Car Wash, which police obtained surveillance footage and credit card transactions from earlier this week.
The source added that the FBI have "several credible leads" which they have placed under surveillance.
Earlier this week, RadarOnline.com revealed cops believe the abductor attended a vigil for the student after her disappearance.
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