The Terminal Man

Michael Crichton's The Terminal Man follows Harry Benson, a man plagued by violent seizures, who undergoes an experimental brain implant meant to soothe his impulses. When the device malfunctions and allows him to control the electrical pulses, Benson escapes confinement and embarks on a deadly rampage through the city. The novel blends medical thriller with psychological suspense as authorities race to stop a homicidal fugitive whose mind has become a weapon.