The Tulsa County Sheriff's Office Child Predator Unit investigated two cases and learned of them through a cyber tip from Kik.

Investigators say the Kik app is known for being the place to view and exchange child sexual abuse material, and that no child should have the app.

They say a large number of their cases stem from that app, and when they get a cyber tip from Kik, they are likely dealing with the worst of the worst predators.

"Every city usually has an area of town that you don't go to. I would say that's more like Kik. Kik is an app that you just don't get on," said Detective Jason Weis.

Weis has been investigating sex crimes against children for more than 10 years.

He says at least one out of every four tips about people sending or receiving child pornography comes from Kik.

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