Becky Babcock: My Mother Was a Killer

In an Oregon courtroom on June 17, 1984, Diane Downs was found guilty of shooting her three children. Days later, she gave birth to a fourth child, a daughter. The baby was secretly driven to a hotel room and turned over to adoptive parents Jackie and Chris Babcock. "Oh, gosh, she was adorable," Jackie Babcock said. "She was the typical little perfect baby." It was the Babcocks' second adoption. They named their new daughter Rebecca. Watch the full story on "20/20" Friday at 10 p.m. ET. (Courtesy Babcock Family )