Trump's unwavering support for Saudi Arabia has raised significant bipartisan criticism from lawmakers in Washington.
Kushner had his first meeting with the Saudi prince following the killing of Jamal Khashoggi in Istanbul in October 2018.
The U.S. has been accused alongside Saudi Arabia of violating end user agreements to illicitly transfer weapons to insurgents in Syria.
Riyadh denies the crown prince played any role in the killing of the journalist.
President Donald Trump called Saudi Arabia a "great ally" despite the murder of Khashoggi, defending his stance by citing multi-billion-dollar arms agreements.
The GOP politician from Tennessee slammed the White House's response to Jamal Khashoggi's killing.
More than 22,000 police and security agents are set to put the city on lockdown, with 33 protests against the summit planned.
The material reportedly encouraged violent jihad against nonbelievers and urged the death penalty for women who have an affair.
"We do know of course he has openly bragged about how many millions he makes from Saudi Arabia," the California Democrat pointed out. "Is his personal financial interest driving U.S. policy in the gulf?" he asked.
"The expectation that Trump as president will be starkly different from Trump as candidate is a false hope at best," Jamal Khashoggi wrote in 2016.
Iran's Foreign Minister Javad Zarif tweeted that his country gets blamed for any problem the president can think of.
Despite Trump's continued support of the Saudi prince, leading Republican and Democratic lawmakers have taken a markedly different position.
The crown prince has threatened to develop nuclear weapons if Iran is able to do the same.
Images of the crown prince meeting with Khashoggi's son and shaking his hand have been circulated online.
The chancellor said there was an "urgent need for further clarification" of the circumstances surrounding Jamal Khashoggi's killing.
"You don't bring a bone saw to an accidental fistfight," Senator Ben Sasse said Sunday.
"The Democrats seriously believe they have a way of blaming Donald Trump for this," Limbaugh said.
Kushner reportedly also likened Khashoggi's death to Saudis kidnapping the prime minister of Lebanon.
"Every single thing he promised me he delivered 150 percent on," Kushner said of Saudi Crown Prince Mohammed bin Salman.
The top diplomat had been dispatched by President Donald Trump to Saudi Arabia in the wake of dissident journalist Jamal Khashoggi's alleged murder.
Prince Khalid, accompanied by Saudi Foreign Minister Adel al-Jubeir, met Secretary of State Mike Pompeo upon arrival in Riyadh on Tuesday.