Wheeler-Feynman absorber theory

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In the Wheeler-Feynman absorber theory I understand that the gammas rays terverse time for and aft, but is that between their destinations, or the next closest particle. What I mean is what if you had a sea of uncharged particles, and two charged particles 'jiggling' with a set distance between them, would the waves going back in time exsist between the charged or uncharged particles?
 
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why not? i mean I'm sure that math is way over my head but has it been disproved? or just not accepted or what? :bugeye:
 

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