Jason Chaffetz uncovered the fact that in 2011, after Lois Lerner’s hard drive crashed, that they had six months of email backed up on a so-called ‘disaster recovery’ tape.
But the problem with those tapes were, according to IRS Commissioner Koskinen, that everything is in a big lump on the hard drive and therefore too costly to retrieve one persons emails:
So what good are the tapes then if it costs too much to retrieve emails? What kind of system is that?