the same thing with skylar.courtroom testimony left tom furious, not at his son, but at his accusers. the people who had cared for heath while tom was incarcerated. >> that's somebody coaching him or encouraging him? >> i believe so. >> coached or not, tom foley's defense team knew from day one that they needed to prove the sound those boys heard was tom dropping a window frame on the back porch and not the fatal gun blast. four days after tom foley's arrest, schaeffer and koberstein took a trip to the farm to do just that. >> a couple of perry mason moments, don't come very often. >> this is the frame we found. >> right where tom said he dropped the frame, they found this tiny shard of glass. immediately they try to match the shard with the frame. tom said he dropped. >> if you take the shard and inserted in with a few remaining intact, putty of the frame, you can see it fits perfectly. >> it was compelling evidence that tom may have been telling the truth. but schafer wouldn't lead more than a shred of evidenc