There seems to be little to no supporting items in the middens.
Perhaps something more recent
In the early 1600's this area that I live in was under the authority of the Massachusetts bay colony. The largest english settlement in this area was Falmouth. The local Abinaki were led by a man the english called king Philip. So, the governor was having problems with the indigenous people and ordered them disarmed. The locals here in Maine were like, screw you gov! No way are we doing that! It will just antagonize them, and we depend on them to provide game meat to live. So the sent a regiment of British regulars to do it, they did, and it did just as the locals though, a war ensued. This village of Falmouth that was around 2000 people at the time, saw the natives as friends and trading partners, this one day awoke to a terrible horror of people they knew and trusted burning buildings and murdering. A few girls escaped this event and moved to Salem Massachusetts, and were leading players in the witch trials that happened shortly there after. I put forth that these girls were not "bewitched" but suffering severe ptsd