...As soon as the drive crashed, it HAD to be immediately recycled. ,,,,
That is not how government IT programs work. A work order is placed to fix a broken computer, serial number and all. A tech is dispatched to evaluate the problem, if it is determined that the computer has to be replaced then a new one is installed and your old data is reloaded onto your new computer from a storage device.
Issa needs to subpoena the IT people at the IRS, and not the director.
“Subpoena the IT people”
Great approach, start there and work your way up. Give them lmmunity if necessary.