Okay, so I borrowed a few perfect photos from blueblur1984 from a previous post here.

With the rear hatch cover off, for starters I noticed this:



The relay in mine is red, not blue, like the one in this photo.

As for the interior of the panel:



The connectors that I've circled were hacked off from where the PO had replaced the window motor(I guess? there was another window motor in the storage compartment ). The wires were connected by poorly done splices. I powered the window directly once the splices were undone, which is why its strange to me that the issue with the other 4 windows happened to occur at the same time. Isolated events....right?