Robert De Niro took aim at the Republican Party and President TrumpDonald John TrumpJimmy Carter: 'I hope there's an age limit' on presidency White House fires DHS general counsel: report Trump to cap California trip with visit to the border MORE in a recent interview and warned that the American people would not forget about “all the things that these Republicans did during the time of Trump” long after he leaves office.

During an interview with The Hollywood Reporter released earlier this week, De Niro was pressed about his thoughts on Attorney General William BarrWilliam Pelham BarrArizona Democratic Party will hold vote to censure Sinema Democrats seize Senate floor to protest gun inaction: 'Put up or shut up' Feehery: Impeachment fever bad for Democratic governing vision MORE's four-page summary of special counsel Robert MuellerRobert (Bob) Swan MuellerFox's Cavuto roasts Trump over criticism of network Mueller report fades from political conversation Trump calls for probe of Obama book deal MORE's report on the Russia probe.

De Niro called the summary “pathetic” and suggested that it downplayed Mueller’s report to make the president look more favorable.

"It's pathetic," De Niro said. "You know what's interesting is that Democrats are trying to do the right thing and say, 'We're waiting for justice to come,' and then it doesn’t come. Or it will come in a way, Mueller presented it in a way that's up to us and Congress to make, come up with the results, but now it’s being barred by Barr. And that's to be seen now what Congress will do and how effective they're going to be."

"But I think there's going to be a lot of mass demonstrations, a lot of protests if this is not resolved. We have to know what went on. We have to know. The handwriting's on the wall,” the actor continued. 

“I don’t know what’s happened in this country with the Republicans,” De Niro went on to say.

“I mean the Republicans with Nixon didn’t do this, but these Republicans are. And we’re not going to forget about them,” the actor and co-founder of the Tribeca Film Festival continued. “Because when, later on in years to come, long after Trump is gone, there are going to be writers, as soon as any of these characters come out, emerge in some way, they’re going to remind us of all the things that these Republicans did during the time of Trump.”

De Niro was also pressed about his recent impressions of Mueller on “Saturday Night Live.” 

"I consider it my civic duty to do that part — just to be there because [Mueller] doesn't say much, but he doesn’t have to. It's that simple," De Niro said. "I might even be happier the day that Mueller puts him in handcuffs, takes him in an orange jumpsuit and puts him away for a long time."