WASHINGTON (WUSA9) -- What would you do if you're out shopping, and suddenly, your child disappears? The FBI has a free tool that could help.

Assistant Special Agent in Charge, Michael McGarrity from the FBI, talked to us Thursday. See his interview above.

LEARN MORE ABOUT THE CHILD ID APP HERE: http://www.fbi.gov/news/stories/2011/august/child_080511

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