Missing Saige Stiles, 15, who vanished after saying she was being ‘followed’ is seen on surveillance video as bag found

A TEENAGER who vanished after telling a friend she was being followed was captured on surveillance footage just moments earlier.

, 15, was last seen walking to school Monday morning in Port St. Lucie, , and police found her backpack and cell phone at her last known location.

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The concerned friend alerted authorities after Saige never made it to school and provided officials with the 15-year-old's last known location.

Surveillance footage obtained by The US Sun shows the 15-year-old walking behind houses in the Panther Trace Community.

Saige didn't appear to be in danger as she was seen walking casually through the backyard area.

"She just was walking. Didn't appear she was in danger or distress. Just walking through the backyard," Sergeant John Dellacroce said at a news conference.

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The teen was seen wearing black jeans and a gray long-sleeve shirt.

At the scene, police recovered Saige's backpack and phone on the sidewalk.

The teen is described as 5 feet 5 inches yall, weighing about 120 pounds and has brown hair.

Officials are canvassing the area with helicopters, K-9 units and are speaking to witnesses in the area.

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Port St. Lucie said they've spoken to Saige's father and friend and who are cooperating with the investigation.

Officials are trying to learn more about who Saige is, her family life and their history as they investigate the circumstances around her disappearance.

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