“Last summer, the federal government was greeted with raised eyebrows when it awarded a UK-based firm a contract worth $1.2 billion to process Obamacare applications. At the same time, the company was being investigated for overbilling the British government tens of millions of pounds.

Though it managed to work through a year of Obamacare’s implementation relatively unnoticed, the contractor, Serco Inc., is back in the spotlight—and raising questions over the validity of its work.”