[SarahW]

I guess he figured taking her life would make taking the ring risky business.

[hoosiermama]

Doesn't explain the knotted leotard. Knife and leotard aare not the same MO! On the other hand if he took athe watch, it should be easy enough to find with a local "fence". Now that would cement the case. Then I might believe Gary had nothing to do with it.
However, all evidence up to now points either to Condit or one of his cronies, (including the members of the Sex Club that Miss Smith is about to expose in her book) He had motive, opportunity, etc.