It has to be the computer that wasn't stolen. :0)
Recall that HKS is still livid about the landlords removal of some items, including a computer.
They already had access to ANS computer in the hospital room, so I assumed it was another.
There's no way HKS would give permission to obtain info from the Shelley obtained computers and the last I heard, the investigators were still looking for a LAWFUL way to access them.