Eagle Eye (2008)

Jerry and Rachel are two strangers thrown together by a mysterious phone call from a woman they have never met. Threatening their lives and family, she pushes Jerry and Rachel into a series of increasingly dangerous situations, using the technology of everyday life to track and control their every move.
 
Director:  D.J. Caruso
Writers:  John Glenn (screenplay), Travis Wright (screenplay) (as Travis Adam Wright) 
Stars:   Shia LaBeouf, Michelle Monaghan, Rosario Dawson