President Trump referred to as senior House Democrat Adam Schiff the "biggest leaker in Washington".
Mr Schiff heads the House Intelligence Committee, one among 3 panels leading an impeachment probe towards Mr Trump.
The president also cautioned he might release some footage of the raid.
Fugitive IS chief Abu Bakr al-Baghdadi killed himself for the duration of a US military operation in north-west Syria, President Donald Trump announced on Sunday.
Mr Trump stated Baghdad detonated his suicide vest after fleeing right into a tunnel, chased with the aid of US army dogs.
What did Trump say on Monday?
Mr Trump referred to as Mr Schiff a "corrupt flesh presser" at the same time as answering questions from reporters on his way to Chicago, wherein he is because of attend a conference of police chiefs.
Who became Baghdadi?
The which means of Baghdadi's death for IS in Syria
"They had been speakme approximately why did not I give the facts to Adam Schiff and his committee and the answer is I assume Adam Schiff is the most important leaker in Washington," Mr Trump said.
