The tension in Act III regarding the trials and the doubt associated with them is something evident as Corey makes his claim and files his deposition against Putnam.  Danforth understands the impression this cases amongst his criminal proceedings.  It is for this reason that Danforth flips Corey's testimony against him by demanding him to "name names" and identify his informant.  It is at this point that Corey's deposition is turned against him.  Corey realizes that while his deposition is important, it is not something that he is willing to pursue at the cost of his own empathy towards "bringing harm to another."  Corey understands that the mere mention of his wife to Hale has caused her to be imprisoned.  His sense of dignity and guilt precludes him from naming a name.  It is at this point that Danforth turns Corey's testimony against him.  He suggests that an "innocent man" need not fear the court and that if there is something to be said, one should speak.  In doing this, there is a shift between Corey demanding for justice and then remaining silent because of it.  It is here where Corey's deposition is turned against him.