A few days ago an accident with fatal consequences happened in Berkeley with a young couple found dead. The first reports were full of misleading information and fear mongering writing about "laser 3D printer" emitting carbon monoxide that killed those people.
Here is one of the later articles:
Here is Joel's video with more exact information:
Here are some different texts addressing the issues:
Looks like the real cause is still undetermined:
Previous accident mishandled by the media: