Republicans called for Sessions to step down this week; other critics say his position in the Department of Justice "isn't tenable."
Tweets threatening political rivals, North Korea, Pakistan and others pose a threat to America, say experts.
Public figures including John Brennan and Joe Scarborough have said they donated.
The president has called out James Comey and Andrew McCabe.
The FBI had previously confirmed the existence of the drafted statement.
The former attorney general and former president met in Phoenix while the FBI was investigating Hillary Clinton's use of a personal email server.
The president spoke at the FBI Academy in Quantico.
The president and his supporters are increasingly attacking the special counsel and his team.
Wray appeared before the House Judiciary Committee after Trump said the reputation of the bureau was "in tatters."
Representative Matt Gaetz and others are calling for answers about Comey's handling of the Clinton emails probe.
His office said it removed Peter Strzok over allegations about text messages.
Revenge is sweet—and best served on social media.
Could Trump be indicted for having obstructed justice?
Trump's son-in-law and adviser argued Comey was unpredictable, sources say.
The FBI had previously said the bureau began drafting a statement about Clinton months before interviewing her.
Mueller's investigators have been interested in Kushner, who is also a White House senior adviser, as part of its probe into Russian meddling in the 2016 election, with particular interest in Comey's firing.
The assessment, from August, blamed "perceptions of police brutality" for violence against officers.
James Comey is clapping back at Donald Trump with the title of his upcoming book, "A Higher Loyalty: Truth, Lies, and Leadership."