What is the state of the law on disclosure of material at trial?

^3. More generally, because the United States authorities tested the same materials and provided the results of that testing to Meza, it is also far from certain that this information is material to Meza's defense at all. See Kyles v. Whitley, 514 U.S. 419, 434-35 (1995) (holding that evidence is material if there is a reasonable probability that pretrial disclosure would have produced a different result at trial, or in other words, whether suppression of the evidence "undermine[d] confidence in the outcome of the trial").