Goku Midnight Eye OVA 01 ゴクウ 午夜之眼 [1989]
An ex-cop turned private eye uses his bionic eye that can hack into any computer system in the world and his mechanical quarterstaff to fight organized crime. In the near future of 2014, Goku, a former police detective turned private eye, is investigating a mysterious string of apparent suicides of a special police unit investigating a ruthless weapons merchant. In his aggressive style, Goku almost joins that list, but he mysteriously survives and receives a cybernetic eye by parties unknown that can literally control any computer in the world. Now, he has a score to settle and is armed with what he needs to accomplish that.