If the president ever promoted his D.C. hotel to foreign dignitaries, the attorneys general of Maryland and the District of Columbia want to know about it.
The company was once valued at $9 billion. Founder Elizabeth Holmes and another former executive are facing criminal charges, and Theranos says it does not have the cash to pay shareholders.
The Trump administration had argued that the ACLU should take responsibility for locating parents who were deported back to Central America without their children.
A federal judge in San Diego will hold a hearing Friday to discuss the government's progress on meeting a now-expired deadline to end family separations.
As of Thursday morning officials reported 711 children had yet to be reunited with their parents or an approved sponsor. Some 1,800 children have been handed over to their parents or sponsors.
A federal judge has rejected a motion from the Department of Justice to dismiss the suit. The lawsuit alleges Trump's businesses, especially his hotel in D.C., violate the Constitution.
Officials said 1,012 parents and children separated at the border have already been reunited. But up to 463 parents may have been deported or have voluntarily left without their children.
President Trump's lawyer said he and the rest of the president's team are "very comfortable" with Cohen working with investigators, as long as he tells the truth.
The Swiss mining and commodities trading giant disclosed that a unit received a subpoena from the Justice Department over questions about compliance with anti-corruption and money laundering laws.
People gathered in cities across the country on Friday to protest the Trump administration's policy of separating immigrant parents and children at the Southern border.