It didn’t. I have been following the find for some time. Sorry.
No worries. All I’ve seen about it was the article posted today. So, were some or all of the mammoths killed by humans, then?
As for the reliability of the carbon dating done for this particular project, I can’t really tell much one way or the other without going to the actual scientific publications about it. Unfortunately, I have a lot of other things to do, so I probably won’t.