The constitutionality of those laws remains an open question, Chief Justice Roberts wrote, adding that the justices nonetheless abided by them, including the "sometimes complex reporting requirements" for financial disclosure.
Mr. Romankow added that the justice system does the best it can given heavy caseloads.
It added that the justice's wife, Virginia Lamp Thomas, had solicited resumes "for transition purposes" from government oversight committees of Congress.
Ms. Boland said Mercedes considered the lawsuit to be "without substance," adding that the Justice Department's action could be viewed as routine given the accusations.
"It's unlikely that T-Mobile would enter into another merger in the U.S.," Mr. Moffett said, adding that the Justice Department "wants four competitors in this market, not three".
He said the federal government is wrong to go after such laws, adding that the Justice Department was wrong to challenge state immigration laws.
"Many of these jurisdictions are also crumbling under the weight of illegal immigration and violent crime," reads the announcement, adding that the Justice Department is sending each of these nine jurisdictions letters cautioning them that they risk losing federal funding if they don't comply with the law.
He added that the justices' move on Thursday suggests "the court wasn't yet satisfied with either party's position".
"I've never been in favour of mollycoddling criminals," Clarke said, before adding that the criminal justice system really had to do better than that.
In October, a judge threw out the murder conviction of Susan Mellen, saying that she was wrongfully imprisoned for 17 years based on the word of a habitual liar and adding that "the criminal justice system failed".
