Sometimes rooms like that were filled with offerings or distractions... normally if they used a child, there'd be toys and games in there so that the child wouldn't realize what was going on...

[[It's a little difficult to get a clear picture of the past from the poor state the skeleton was in. The conditions seemed to have been just right to expedite the decay, leaving little but bones behind. But a close look at the skull would show the distinct mark of damage. A blow to the head.]]