Though the Ohio State Highway Patrol provided a detailed account of the police chase and standoff on Thursday, in which Mr. Shiffer and officers traded gunfire, the authorities provided limited details about the assault on the F.B.I. building that set off those events, and the possible motivations for it.
No one other than Mr. Shiffer was injured or killed on Thursday.
Officials with the Highway Patrol and the F.B.I.’s Cincinnati office said they had no plans to release additional information on Friday. A spokeswoman for the Ohio Attorney General’s Office said the state’s Bureau of Criminal Investigation was investigating the use of force by state troopers, but she did not answer other questions about the case or indicate when more information would be released.
A spokeswoman for Gov. Mike DeWine, a Republican, declined to comment.
There was similar quiet from many in the Biden administration. When Attorney General Merrick B. Garland spoke Thursday about the search at Mr. Trump’s home, he did not mention the attack in Ohio.
A handful of officials directly condemned the assault, including Representative Brad Wenstrup, a Republican whose district includes the F.B.I.’s Cincinnati office, who called it “despicable and wrong,” and Representative Mike Carey, a Republican whose district includes the site of the standoff. “In America,” Mr. Carey said on Friday, “we do not threaten or take violent action against law enforcement.”
Earlier in the week, Mr. Carey had called the search at Mr. Trump’s home “a danger to the Republic” that he said eroded faith in the Justice Department.
Senator Sherrod Brown of Ohio, a Democrat, called what happened in Cincinnati “an appalling attack on law enforcement.”
“We live in a country of laws,” Mr. Brown said in a statement, “and it’s the duty of all leaders to calm — not stoke — political violence and extremism.”
Alan Feuer, John Ismay and Kevin Williams contributed reporting. Kitty Bennett and Kirsten Noyes contributed research.