Laura moves down the hall, and reluctantly places her hand against it, drawing some arcane symbols, feeling for... something. The wall ripples a bit where she touches, and after a moment, she stops. She moves down the hall and repeats it a again. This is done a few times until, midway between where the ruined lab and the hole she stops. With a few dextrous motions, she clicks on something and another secret door opens.
"Look at what was hidden here."