A Customs and Border Protection vehicle is pictured at an opening on the US-Mexico border fence near downtown El Paso, Texas, Sunday, April 8, 2018. Openings like this are used for entry and exit of Border Patrol vehicles in the highly populated border metroplex. The US states of Texas and Arizona announced plans to send National Guard troops to the southern border with Mexico after President Donald Trump ordered a thousands-strong deployment to combat drug trafficking and illegal immigration. / AFP PHOTO / Paul Ratje (Photo credit should read PAUL RATJE/AFP/Getty Images)
Fact Check: Trump's border wall claims
CNN's Jake Tapper looks at President Trump's claim that a border wall will stop drugs coming into the US from Mexico. Read more at FactCheck.org.
03:40 - Source: CNN
Jake Tapper's Fact Check 21 videos
A Customs and Border Protection vehicle is pictured at an opening on the US-Mexico border fence near downtown El Paso, Texas, Sunday, April 8, 2018. Openings like this are used for entry and exit of Border Patrol vehicles in the highly populated border metroplex. The US states of Texas and Arizona announced plans to send National Guard troops to the southern border with Mexico after President Donald Trump ordered a thousands-strong deployment to combat drug trafficking and illegal immigration. / AFP PHOTO / Paul Ratje (Photo credit should read PAUL RATJE/AFP/Getty Images)
Fact Check: Trump's border wall claims
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SANLIURFA, TURKEY - OCTOBER 20: (TURKEY OUT) An explosion rocks Syrian city of Kobani during a reported suicide car bomb attack by the militants of Islamic State (ISIS) group on a People's Protection Unit (YPG) position in the city center of Kobani, as seen from the outskirts of Suruc, on the Turkey-Syria border, October 20, 2014 in Sanliurfa province, Turkey. According to Foreign Minister Mevlut Cavusoglu, Turkey will reportedly allow Iraqi Kurdish fighters to cross the Syrian border to fight Islamic State (IS) militants in the Syrian city of Kobani while the United States has sent planes to drop weapons, ammunition and medical supplies to Syrian Kurdish fighters around Kobani. (Photo by Gokhan Sahin/Getty Images)
Fact Check: Has ISIS been defeated?
03:19
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President Donald Trump speaks as tours the U.S. border with Mexico at the Rio Grande on the southern border, Thursday, Jan. 10, 2019, in McAllen, Texas, as Sen. John Cornyn, R-Texas, left, and Sen. Ted Cruz, R-Texas, listen. (AP Photo/ Evan Vucci)
Fact check: Misleading border crime statistic
04:03
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US President Donald Trump speaks to reporters after a phone conversation with Mexico's President Enrique Pena Nieto on trade in the Oval Office of the White House in Washington, DC on August 27, 2018. - President Donald Trump said Monday the US had reached a "really good deal" with Mexico and talks with Canada would begin shortly on a new regional free trade pact."It's a big day for trade. It's a really good deal for both countries," Trump said."Canada, we will start negotiations shortly. I'll be calling their prime minister very soon," Trump said.US and Mexican negotiators have been working for weeks to iron out differences in order to revise the nearly 25-year old North American Free Trade Agreement, while Canada was waiting to rejoin the negotiations. (Photo by MANDEL NGAN / AFP) (Photo credit should read MANDEL NGAN/AFP/Getty Images)
Trump's biggest whoppers of 2018
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US President Donald Trump (R) listens while presumptive Speaker, House Minority Leader Nancy Pelosi (D-CA) makes a statement to the press before a meeting at the White House December 11, 2018 in Washington, DC. (Photo by Brendan Smialowski / AFP) (Photo credit should read BRENDAN SMIALOWSKI/AFP/Getty Images)
Fact check: Trump's heated Oval Office meeting
04:59
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WASHINGTON, DC OCTOBER 10: U.S. President Donald Trump discusses the potential impact of Hurricane Michael during a meeting with Homeland Security Secretary Kirstjen Nielsen and FEMA Administrator Brock Long in the Oval Office of the White House on October 10, 2018 in Washington, DC. Hurricane Michael has recently been upgraded to a category 4 storm. (Photo by Win McNamee/Getty Images)
Fact-check: Trump's false climate claims
04:10
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US President Donald Trump speaks during a briefing on Hurricane Michael in the Oval Office of the White House in Washington, DC, October 10, 2018. (Photo by SAUL LOEB / AFP) (Photo credit should read SAUL LOEB/AFP/Getty Images)
Fact-check: Trump's false climate claims
04:10
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President Donald Trump talks with reporters after arriving at Erie International Airport for a campaign rally at Erie Insurance Arena, Wednesday, Oct. 10, 2018, in Erie, Pa. (AP Photo/Evan Vucci)
Fact-checking Trump's Medicare op-ed
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WASHINGTON, DC - SEPTEMBER 04: Supreme Court nominee Judge Brett Kavanaugh is sworn in before the Senate Judiciary Committee during his Supreme Court confirmation hearing in the Hart Senate Office Building on Capitol Hill September 4, 2018 in Washington, DC. Kavanaugh was nominated by President Donald Trump to fill the vacancy on the court left by retiring Associate Justice Anthony Kennedy. (Photo by Chip Somodevilla/Getty Images)
Fact-check: Kavanaugh's denial claims
04:29
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US President Donald Trump (L) and Russian President Vladimir Putin arrive for a meeting in Helsinki, on July 16, 2018. (Photo by Brendan Smialowski / AFP) (Photo credit should read BRENDAN SMIALOWSKI/AFP/Getty Images)
Fact check: Hillary Clinton's misleading comments
04:21
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What Trump's campaign knew about Russia meeting
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WASHINGTON, DC - OCTOBER 04: Senate Budget Committee ranking member Sen. Bernie Sanders (I-VT) attends a news conference critical of the Republican tax and budget plan at the U.S. Capitol October 4, 2017 in Washington, DC. (Chip Somodevilla/Getty Images)
Fact check: The true cost of 'Medicare for all'
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WASHINGTON, DC - MAY 08: U.S. President Donald Trump announces his decision to withdraw the United States from the 2015 Iran nuclear deal in the Diplomatic Room at the White House May 8, 2018 in Washington, DC. After two and a half years of negotiations, Iran agreed in 2015 to end its nuclear program in exchange for Western countries, including the United States, lifting decades of economic sanctions. Since then international inspectors have not found any violations of the terms by Iran. (Photo by Chip Somodevilla/Getty Images)
Trump's two false trade claims
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U.S. President Donald Trump speaks during a press conference after the meeting of U.S. President Donald Trump and Russian President Vladimir Putin at the Presidential Palace in Helsinki, Finland, Monday, July 16, 2018. (AP Photo/Alexander Zemlianichenko)
Fact-checking Trump's DNC server claims
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U.S. President Donald Trump speaks during a press conference after a summit of heads of state and government at NATO headquarters in Brussels, Belgium, Thursday, July 12, 2018. NATO leaders gather in Brussels for a two-day summit. (AP Photo/Geert Vanden Wijngaert)
Fact-checking Trump's NATO claims
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Fact Check: Trump's claims against Amazon
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Tapper fact-checks gun violence claims
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Fact-checking Trump's 'tougher on Russia' claim
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