Safe House (1998)

"The less you know, the safer you are."

A psychological thriller; Mace Sowell, an ex-intelligence operative and whose past government activities catches up with him, faces his own mortality, in the shape of the onset of Alzheimer's disease. Holding the electronic key to secret information which implicates a Presidential front-runner, Mace struggles for his life while battling the debilitating effects of the disease.