By Robert Plummer & Nada Tawfik
BBC News, London and New York
Donald Trump's tribunal proceeding has been acceptable for Tuesday afternoon, according to the BBC's US spouse CBS News.
The erstwhile president is expected to alert from Florida connected his backstage level and manus himself successful with national agents determination to support him.
A expansive assemblage has indicted Mr Trump successful transportation with a $130,000 (£105,000) pay-out to porn prima Stormy Daniels.
The charges are not yet public, and a lawyer for Mr Trump said connected Friday that helium excessively has yet to work the indictment.
A instrumentality enforcement authoritative told CBS that Mr Trump is expected to alert his backstage level to New York connected Monday earlier surrendering to officials connected Tuesday.
The process is apt to impact dozens oregon perchance hundreds of Secret Service agents, the authoritative added, speaking connected information of anonymity.
Mr Trump volition not beryllium handcuffed, the authoritative added, saying that shackles are typically lone utilized connected suspects who are thought to beryllium a formation oregon information risk.
Mr Trump, who volition beryllium surrounded by national agents, is not expected to effort to tally oregon onslaught police, the root said.
The proceeding is owed to instrumentality spot astatine 14:15 section clip (19:15GMT).
Mr Trump's lawyer, Joe Tacopina, told ABC News that Mr Trump volition "probably" look successful tribunal connected Tuesday, "but thing is certain".
Prosecutors "will effort and get each ounce of publicity they tin from this thing", helium said, adding "the president volition not beryllium enactment successful handcuffs".
"I recognize they're going to beryllium closing disconnected blocks astir the courthouse, shutting down the courthouse," helium continued.
Security is being co-ordinated by the FBI, NYPD, Secret Service and New York City tribunal officers.
Sources archer CBS that they are bracing for imaginable scenarios that see attacks against Mr Trump, prosecutors, jurors oregon members of the public. The territory attorney's bureau has received "many threats", the sources said.
On Friday morning, the streets astir the courthouse were calm but the barricades were going up successful anticipation of what whitethorn travel adjacent week.
Police officers were connected patrol and information plans were being enactment into place. Many expect the country to spell into lockdown erstwhile the erstwhile president attends court.
The territory attorney's bureau had initially asked for Mr Trump to surrender connected Friday, according to Politico, but the petition was rejected due to the fact that much clip was needed for information preparations.
Mr Trump, 76, denies wrongdoing. He is the archetypal serving oregon erstwhile US president to look a transgression charge.
It is unclear however galore charges are contained successful the indictment, which is inactive sealed.
Media reports person said the ex-president faces much than 30 counts related to concern fraud and Mr Tacopina said connected Thursday helium thought determination would beryllium 34. But connected Friday, helium said helium did not cognize however many.
"We cognize what the taxable substance is, we cognize the ground of the charges. We don't cognize the nonstop counts oregon however they're formulated," helium said.
On Friday Mr Trump began attacking the justice assigned to his lawsuit successful an effort to undermine the credibility of the probe and rally his basal to his defence.
Republicans - including House Speaker Kevin McCarthy - person accused the Manhattan territory lawyer of weaponising the transgression justness strategy to power adjacent year's statesmanlike election. Georgia Congresswoman Marjorie Taylor Green, who Mr Trump precocious suggested tally for Senate, called connected followers to protestation and said she plans to beryllium contiguous successful New York adjacent week.
In effect the attorney, Alvin Bragg, said the charges had been brought by citizens of New York doing their civic work - and neither the erstwhile president nor Congress could interfere with proceedings.
In Washington, the US Capitol Police, which is tasked with safeguarding lawmakers successful Congress, said the unit believes protests volition instrumentality spot crossed the state and person plans successful spot to summation information astatine the US Capitol.
In 2016 big movie prima Stormy Daniels contacted media outlets offering to merchantability her relationship of what she said was an adulterous matter she had with Mr Trump successful 2006 - the twelvemonth aft helium joined his existent wife, Melania.
Mr Trump's squad got upwind of this and his lawyer, Michael Cohen, paid $130,000 to Ms Daniels to support quiet. This is not illegal.
However, erstwhile Mr Trump reimbursed Mr Cohen, the grounds for the outgo says it was for ineligible fees. Prosecutors accidental this amounts to Mr Trump falsifying concern records, which is simply a misdemeanour - a transgression offence - successful New York.
President Joe Biden declined to remark connected the indictment, contempt being pressed connected the contented by journalists arsenic helium near the White House connected a travel to Mississippi.
Mr Tacopina said Mr Trump was being "pursued by a authoritative who has evidently precise divers governmental views from the president. So it's a precise troubling case".
He said the erstwhile president was "not disquieted astatine all" astir the charges.
"He's upset, angry. He's being persecuted politically. That is wide to galore people, not lone connected the Right but connected the Left."