After the Tulsa Area Emergency Management Executive Director was charged with sending and receiving child pornography, we're taking a look at how law enforcement investigates these crimes.

Tulsa County Deputies arrested Joe Kralicek Thursday after a month-long investigation that started from a cyber tip.

Detectives with the Tulsa Police Department's SPIDER division tell News On 6 this case is just one of several they deal with every day. They get about ten tips a week and serve two to three search warrants a month.

SPIDER Division Handles Dozens of Tips

Detective Aubrey Williams with Tulsa Police Department's sexual predator investigations and digital evidence recovery, or SPIDER division, says there's not one kind of person that's a sexual predator -- it can be anyone.

"We've arreste

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