Former IRS official Lois Lerner's refusal to answer questions at a congressional hearing on the targeting of tea party groups sparked an angry exchange on Wednesday between Chairman Rep. Darrell Issa and committee Democrats.
Lerner headed the IRS division that improperly targeted tea party and other conservative groups for extra scrutiny when they applied for tax-exempt status from 2010 to 2012. She appeared at a Wednesday hearing by the House Oversight Committee.
But when Issa asked her questions about her role in the matter, Lerner repeatedly invoked her constitutional right not to incriminate herself.
The fireworks began after a frustrated Issa abruptly adjourned the hearing, prompting an outburst by Maryland Democrat Rep. Elijah Cummings.
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