The Baldwin Actor Who Killed the Camerawoman

They ever end up investigating why the gun went off in his hand pointed at the woman on the set he was running, and reaching a conclusion?  Or is it like the Janice Bewley investigation in Wisconsin?  Is it the investigators holding up things on the ground, or the prosecutors refusing to charge as crimes these deaths?  Police and policians:  we're watching you, even if the media is busy plugging other legacy features in their news coverage today.