09/19/2012 06:58 pm ET Updated Sep 19, 2012

Ailene Lander Missing: Girl Allegedly Kidnapped By Stepdad, Mom

A 15-year-old Dothan, Ala teen who's been missing since Monday was abducted by her relatives, cops believe.

ABC News reports that Ailene Lander was allegedly kidnapped while in state custody by her stepdad, Charles Partin with the help of her mother, Julie Bethke.

"We believe that anybody in his immediate control or reach could be in danger," Dothan police Sgt. Rachel David said, referring to Partin.

An Amber Alert was issued for Lander who was kidnapped from the Southeast Alabama Medical Center on Monday afternoon, WSFA reports.

Lander is believed to be traveling with her mom, stepdad and her five other siblings, according to ABC News.

Sources told WSFA that Lander is pregnant.

Lander was under Alabama Department of Human Resources custody when she was taken, though authorities would not say why, according to the Eufaula Tribune.

Police are looking for a blue 1994 Mercury Villager with either Alabama tag 34B26K3 or 38D18W2, which, authorities said, was the car used to flee the hospital.

Lander is 5 feet, 5 inches tall and weighs 140 pounds. She was last seen wearing a see-through white shirt with pink gym shorts, according to the Tribune.

Any tips related to the teen's disappearance should be phoned in to 1-800-CALL-FBI.

Missing Children