Anyone giving you a confident answer on this is going to be doing so baselessly. The real answer is “we don’t know”. Journalists for the world’s most well-connected news organizations have been working around the clock just to identify that the missile was even American. That’s the state of information right now, and the unfortunate fact is we’re just going to have to wait for an answer if one ever comes.

The most you can really know right now is “it didn’t need to happen, and it was the US’ fault regardless.”