There’s no formal contract between the TMG and Sri Lanka though a monthly fee has been set for $29,500.
Minnick is a conservative Democrat from Idaho, who was defeated in the Tea Party-driven 2010 election.
Sri Lanka has wrestled with human rights issues since the 2009 defeat of a Tamil insurgency.
Time reported April 15 that a newspaper office of a Tamil newspaper -- critical of the government and military was attacked -- on April 13.
In March, 25 nations passed a U.S.-sponsored U.N. Human Rights Council resolution calling for a probe into alleged extrajudicial killings, disappearances and torture in Sri Lanka.
The Sri Lankan government trashed the measure as a tool that undermines the country's "endeavor to consolidate peace and harmony."
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