Rockstar has announced that the L.A. Noire DLC case “Nicholson Electroplating” is now available for download via PSN ($3.99) and XBox Live (320 Microsoft points). For holders of the Rockstar Pass, the case is now unlocked for download at no charge. The premise of this new case is below: At 9:45 in the morning, a thunderous explosion rocks Los Angeles. City blocks are flattened and smoke and ash fill the air. Detectives Phelps and Biggs race to the site of the former Nicholson Electroplating plant to find a pile of unanswered questions. What caused the explosion? What were Nicholson’s employees working on? And where are chief chemist Dr Harold McLellan and his mysterious female assistant?