It's being called the worst US intelligence leak in a decade, sensitive government secrets were shared in a chat room and ended up circulating around the world. Now, the person suspected of leaking that information is under arrest. Authorities say he's a 21 year old Massachusetts Air National Guard member.

On Ask the Expert, former FBI Special Agent Stuart Kaplan joined the KRLD Afternoon News. He shares with Kristin Diaz and David Rancken, how something like this happens. He also discussed with them why the swatting incidents across Texas on Thursday are also concerning.

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