Sci-fi Radio (ep23/24) Home Is the Hangman by Roger Zelazny

Home Is The Hangman By Roger Zelazny
A robot is created with the ability to learn. Something bad happens, but it is covered up & the robot is sent out to explore a remote part of the solar system. Suddenly, it decides to come home, despite orders to the contrary. Who do you get to protect you in this situation, as one of the creators? The only man who isn't part of the worldwide computer system, of course.