Ghost in the Shell (1995)

Set in the year 2029, Niihama has officially became a technologically advanced city. Its citizens are now capable of replacing thier limbs with robotic parts. As the world relies on technology now more than ever, Public Security Section 9 is assigned to fight against corruption, terrorism, and other threats that would disturb the peace of the city.

Section 9's Major Motoko Kusanagi leads a case that involves an anonymous hacker that goes by the alias of "Puppet Master," who leaves their victims with no memories. They assume that the Puppet Master is most likely a robot, which gives them the advantage commit more crimes.