"You can find it on the Net", Assad told investigative reporter Michael Isikoff.
He also rejected Trump's plan to carve out safe zones for civilians in Syria. "Safe zones for the Syrians could only happen when you have stability and security, where you don't have terrorists, where you don't have [the] flow and support of those terrorists by the neighboring countries or by Western countries". "So, you can not defeat the terrorism without cooperation with the people and the government of any country".
The Syrian president acknowledged regularly consulting with Russia's President Vladimir Putin, and demanded that the US lift economic sanctions against Syria as a first step to working with his military and Moscow to defeat terrorists, according to an article Yahoo published with the interview - the first with Mr. Assad since Mr. Trump took office in Washington last month.
The embattled Syrian president also took aim at the United States when confronted with the allegations in the Amnesty International report. The US and Turkey's fight against Daesh is not in coordination with the Syrian regime.
He said it does not have to be a "significant" number of terrorists to commit atrocities, stressing that his priority is to "bring Syrian refugees back to their country, not to prompt them to immigrate".
Up to 13000 Hanged in Syria Prison Since 2011
Between 5,000 and 13,000 people were executed at Sednaya in the four years after a popular uprising descended into war, it said . COMBO - In this combination of two photos of Omar Alshogre, a 21-year Syrian former detainee, now living in Stockholm, Sweden.
Al-Assad's comment, who added that US ground troops would be "welcome" in Syria to help combat ISIL militants in the country, comes as a federal appeals court in the United States upheld the suspension of US President Donald Trump's executive order temporarily restricting travel from seven Muslim-majority countries to the United States. The Syrian leader said he has not had any contact - directly or indirectly - with the White House since Trump entered office.
Fact check: A report by the Federal Bureau of Investigation published in July 2015 concluded that the images show no evidence of being manipulated and "appear to depict real people and events". "You can forge anything these days", Assad said. "We are living in a "fake news" era, as you know".
Trump has not provided details about the proposed safe zones, except to say he would have the Gulf states pay for them. The worldwide organization's refugee chief has said even trying to plan for safe zones is a waste of time.
"It's not a realistic idea at all".