First tidbit in the news (local ABC affiliate): Man assaults family, commits suicide in Hampstead
What has this to do with the case in hand? Perhaps you can figure it out with an article from the Baltimore Sun: Man at center of Maryland handgun law challenge dead after Baltimore County barricade - baltimoresun.com
Meanwhile, the SCOTUS docket is now showing that the respondents have filed their opposition brief. This means that Gura will now have a chance to make his reply brief, and you can bet that this news story will play a small part in that reply (what happened is only tangentially relevant).