The site was precolumbian, and the skull seemed contemporary. Nobody would have taken notice, but for a study being run on bone density and nutrition in the area’s early inhabitants.
The device, the size of a small pea and made of an unknown black metal, was embedded in the occipital ridge.
Initially there was resistance from tribal groups, who demanded burial for the remains. Then the DoD got involved, and things raced ahead.
Now I sit in quarantine, wondering if volunteering for this was a good idea. The incision behind my head tingles. I wait for whatever might happen next.