Do you know what Snapchat is? Chances are your kids do.

It's a relatively new app that lets you share pictures or video for only a few seconds with the promise that after that, they'll disappear forever.

But do they?

WFAA's Shelly Slater talked with forensic expert Brian Ingram with Consulting Investigative Services, who said the pictures or video may be accessable, depending on what type of phone is being used.

Learn more in the video above.

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