The US Supreme Court (the pic is the DC Court of Appeals) is looking at this conviction case. It largely is about testifying eyewitness credibility failures and other available witnesses being known by the prosecution but were hidden from the defense. Lower courts didn’t reverse the conviction based on a low concern that the the noncredible and the hiding affected the trials outcome (8 were convicted, 2 guilty pleas. At the core of this is the effect and interpretation of “What is a Brady violation?”
Article from Honolulu Star Reporter (the article scrolls to the right).