Agency targeted those who refused Obamacare and claimed either an exemption or paid a penalty
Some sensitive taxpayer information inadvertently disclosed in some responses
Roskam: 'This is a miscarriage of justice'
National Taxpayer Advocate says agency burdens taxpayers
Even when there was a note to not rehire an employee on the personnel file, IRS rehired them anyway
IRS also overpaid premium tax credits by $800 million and cannot recover the overpayments