Dana McAllen is a member of the urban exploration association that is currently investigating remnants of the worlds previous civilization. She initially made her debut in the Tunnelrunners side comic. She has been Ian's closest friend since early childhood, and is still his closest confidant.
That last question is a good one. High-tech equipment needs infrastructure, skilled craftspeople, ACCOUNTANTS… If there’s no obvious trail, that implies either more resources used to hide it, or infrastructure that amounts to “POOF! Your order, sir.”
Nevertheless: We readers already know where it was done.
It`s explained here: http://requiem.spiderforest.com/?comic=02122010
🙂