Overheard 2 (2011)

Overheard 2 is a movie about a secret society involved in insider trading and a cover-up. A group of honest cops, including a lone wolf detective, use wiretaps and surveillance to bring the criminals to justice. Along the way, they uncover a vendetta and struggle with the challenges of Alzheimer's disease. The story unfolds as the GPS-based investigation turns into a thrilling cat and mouse game.