The House Intelligence Committee chairman said there is "strong evidence" Prince lied to lawmakers about meeting with a Russian official days before Trump was sworn in.
Moscow believes the 33-year-old prince should succeed his father as king of Saudi Arabia.
The retired Hollywood lighting director reached out to his daughter and Queen Elizabeth II in an interview on British TV.
Saudi Arabia reportedly singled out Jared Kushner, adviser and son-in-law of President Donald Trump, as part of a campaign to establish influence in the White House.
The CIA assessment states that the intelligence agency has "medium-to-high" confidence that Prince Mohammed "personally targeted" the journalist and "probably ordered his death."
Secretary of state claims that the CIA, which he formerly directed, did not implicate Saudi Crown Prince Mohammed bin Salman in Jamal Khashoggi's death.
One group of journalists said "No to the desecration of the revolutionary land of Tunisia," while in Egypt the crown prince was accused of killing Jamal Khashoggi.
A widespread boycott by global policymakers and corporate giants failed to disrupt Crown Prince Mohammed bin Salman's mood at the Financial Investment Initiative.
Mohammed bin Salman "wants to enjoy the fruits of First World modernity and Silicon Valley and cinemas and everything, but at the same time he wants also to rule like how his grandfather ruled Saudi Arabia," Khashoggi said.
King Salman entrusted his son with running Saudi Arabia, but that may change with mounting evidence that the crown prince was involved in the death of a journalist.
"In many respects, I think the Saudi government has to decide between Mohammad bin Salman and the U.S.-Saudi relationship," John Brennan said Wednesday.
The $110 billion figure cited by President Donald Trump describing U.S. weapons sales to Saudi Arabia was described as "fake news."
"The things [Prince] left behind are, in many cases, better than another artist's very best work," said Michael Howe, chief archivist for the Prince estate.
"You see [so] many sad things every day that you think life is like that."
"All I want to do is make my mother incredibly proud," Prince Harry said.
"We have to do much, much more, to bring men, especially younger men, more fully into the fold," the singer said.
A federal judge ordered an Oklahoma man to forfeit all of his Prince music and repay the late artist's estate any profits he earned when he streamed his music online.
The Duchess of Sussex's father spoke in an exclusive interview on Monday.
Held on April 29, 2011, William and Kate's wedding was an international spectacle, watched by hundreds of millions of people around the world.
Prince William, Kate Middleton, Prince George and Princess Charlotte have a new family member.