Earlier on Happening Now, Julie Banderas told us the amazing story behind this dramatic surveillance video from a Walmart in Midwest City, Oklahoma.

Kidnapped 6-Year-Old Bravely Asks For Help in Store Bathroom

A deranged man snatched a two-year-old girl from her mother's shopping cart and held a knife to her throat. The video and 911 call from the June 17 standoff were released by authorities last week.

A heroic police officer, Capt. David Huff, fatally shot 37-year-old Sammie Wallace at point-blank range, believing that the child had already been harmed by Wallace. The child was not hurt in the horrifying incident. Police said Wallace did not have any prior connection to the child or her mother.

VIDEO: SWAT Team Takes Down Man Who Used Woman As Human Shield