He's also set to hold a separate session with the rulers of Saudi Arabia, the United Arab Emirates, Qatar, Kuwait, Oman and Bahrain. "In the formal meetings, he will press America's economic agenda and call for greater security cooperation", McMaster said.
Following Trump's meeting with Salman, whose father is the king, the White House issued a statement saying the president supports developing a "US-Saudi program undertaken by joint U.S. -Saudi working groups" that would invest in energy, industry, infrastructure and technology.
Riyadh has made "strategic mistakes" in the region and should make up for them, he underlined.
"We are in the final stages of a series of deals", the official said, noting that the package is being timed to Trump's Saudi Arabia visit.
Saudi Energy Minister Khalid al-Falih told CNBC in March his government believed USA infrastructure, in particular, was an attractive investment.
The Trump administration plans to make a number of major announcements during the president's first foreign trip, which begins Friday.
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Merritt added that the misconduct extends beyond Oliver, as other officers mistreated Edwards' brothers and the two friends. Jordan Edwards , 15, was reportedly doing what any teen would be doing on a Saturday night: hanging out with friends.
Besides meeting with Saudi officials, Trump will also meet with leaders of the six-nation Gulf Cooperation Council (GCC) and have lunch with leaders of more than 50 Muslim countries.
Trump is also expected to later participate in "the inauguration of a new center meant to fight radicalism and promote moderation" as well as in a Twitter forum. He'll stay through Sunday before flying to Israel for a day, then will visit Pope Francis on Rome the next day before continuing on to a North Atlantic Treaty Organisation summit in Brussels and then the G7 summit in Sicily. It will be his maiden worldwide trip after taking over the White House.
The leaders of Syria and Iran were not invited to the summit.
He will also hold talks in Rome with Italian Prime Minister Paolo Gentiloni and President Sergio Mattarella.
His presence will shake up the group, particularly on trade, where he has turned away from global trade deals, and is he also expected to push USA allies for help in North Korea, Afghanistan and the Middle East.
The next day, Trump is going to have a meeting with Pope Francis at the Vatican, McMaster said.