The tools (knowledge technology anyone?), are scattered as if dropped. None appear bloody from a distance.
Do you step off of the steps into the dirt to investigate?
I don't have Knowledge Technology, but I do have the Technology feat, ranks in Tinkering (+5), and Knowledge Geography (+8) if any of that helps. I also have Earth Sense in case anyone or anything is within a 20 foot radius and touching the surface. Also, add +2 to any skills involving stone and 120 foot Darkvision.