Episode 37: Robots Can't Lie
Robert Leslie Bellem is more known for his Dan Turner, Hollywood Detective stories, but like other working writers in the pulp era, his works went to print in a variety of magazines. This one was published in the 1941 issue of Fantastic Adventures, which is now in the public domain. From the Magazine:
There was one thing about robot slaves; they couldn't tell a lie-yet this one did, and put Tim Kermit in a murder cell.