Ignoramus13316 wrote:
I read it as the kid fell while under her supervision a few days
before she was found hanged and then the kid subsequently died of
his injuries.

I do not really "get it" how falling from stairs can be so life
threatening for a kid.

people die all the time from falling down the stairs. think 30 step flight
of granite steps. heck, hitting a sharp corner on a wooden step could be
fatal.