Keep reading. One Freeper theory is he never was interested in the walkman, it was just an excuse to avoid admiting his other assualt intentions. It is further thought that small women wearing walkmans are easier targets because they can be surprised easier because they cannot hear him coming.
I'll go along with this, if for no other reason than the fact that you can get a walkman for about 9.99 now. I know, in the 1980s they warranted the status of a main Christmas or birthday present. But times have changed!