Rep. Thomas Massie ( https://twitter.com/RepThomasMassie ) , who is partially responsible for this: https://www.eff.org/deeplinks/2014/06/eff-statement-massie-l... is going to serve on a hearing about lost IRS emails soon. Supposedly, a "crashed computer" caused 2-years worth of Lois Lerner's emails to be lost, though many emails were recovered through "other sources." He wants to know, does anyone have any questions…
http://sharylattkisson.com/lois-lerners-lost-emails-question...
(basically, it is a long list mostly of: what did you know, when did you know it, and how did you document that?)
Personally, re the e-mails, I'm less inclined to blame malice, and would look to incompetence, aided by years of patchwork backup and support processes.