Ah! That name was one of the pass-codes to the booth in the arcade room!

[ She takes another few moments to think, returning to the CSU camera footage. ]

I think...Ranarium might have been these students? They were attempting something with computers, and five of them were killed. But the magazine article didn't say anything about "Mia Moscovitz", did it? It only mentioned four of them, so she must have been left out for some reason.