Federal judges in Maryland and Hawaii temporarily blocked President Trump's 90-day ban on immigration from citizens of six Muslim-majority countries.
U.S. District Judge Anthony Trenga of the Eastern District Court of Virginia in Alexandria wrote that the plaintiffs, the Council on American-Islamic Relations and other Muslim community leaders from across the country, probably would not prevail in their suit.
After two federal courts stalled his renewed attempt at a travel ban, President Trump finally has a judge on his side.
But she did not elaborate on the investigation.
Trump has said he plans to appeal those unfavorable rulings to the U.S. Supreme Court if needed, and differing opinions by lower courts give more grounds for the highest court to take up the case.
"The US Marshals Service is responsible for the protection of federal judicial officials, including judges and prosecutors, and we take that responsibility very seriously", the agency told BuzzFeed News in a statement.
Google promises safer environment for brands as advertiser backlash grows
On Monday, Marks & Spencer Group PLC became the latest company to suspend its advertising from Google . Others to pull the plug, temporarily at least, are the BBC, Guardian newspaper group and McDonalds UK.
Watson, who presides in Honolulu, has received threatening messages since the ruling. The US Marshals Services has since sent around a dozen deputies to provide Watson with continuous protection. He said that the executive order makes no mention of religion and has a "state secular purpose" of protecting USA citizens from terrorist attacks.
The new ban was announced this month.
"The illogic of the government's contentions is palpable. The notion that one can demonstrate animus toward any group of people only by targeting all of them at once is fundamentally flawed", Watson wrote in the ruling. It did not survive Watson's.
"Fortunately, this decision does not alter the injunctions that are already preventing the implementation of the Trump administration's illegal "Muslim ban 2.0" executive order", said CAIR National Litigation Director Lena Masri.
"The fact that the White House took the highly irregular step of first introducing the travel ban without receiving the input and judgment of the relevant national security agencies strongly suggests that the religious objective was primary and the national security goal, even if legitimate, is a secondary, post hoc rationale", Chuang wrote.