John Kruzel is a staff writer at PolitiFact. He previously covered politics at ABC News, where he received an Emmy nomination for his work on 2016 presidential debates. He has written about politics, law and national security, and contributed to numerous outlets, including Slate and The New Yorker. He is a former attorney.

The latest Truth-O-Meter items from John Kruzel

Recent stories from John Kruzel

5 facts about vaccines

The scientific consensus is that vaccines prevent illness and save lives. But vaccinations have been subject to misinformation and confusion that’s having real-world consequences.

Is vaping safer than smoking?

E-cigarette manufacturers originally marketed vaping devices as a safer alternative to cigarette smoking. Now government regulators are cracking down on the multibillion dollar industry amid a spike in vaping-related injuries and death.

Fact-checking the Ohio Democratic presidential debate

Twelve presidential candidates assembled in Otterbein University in Westerville, Ohio, on Oct. 15 for the fourth and largest Democratic primary debate so far.

Johnson, Nixon, Clinton, Trump: 9 questions about impeachment

As the House impeachment inquiry against President Donald Trump grinds forward, we decided to answer some basic questions about the impeachment process both today and in American history. Here are 10 questions and answers.

Ask PolitiFact: Answers to reader questions about the Trump impeachment inquiry, Hunter Biden

Our reporters investigated questions from readers about the House impeachment inquiry into President Donald Trump, as well as Joe and Hunter Biden and the whistleblower who set the investigation into motion. ​

The U.S. aid to Ukraine that Donald Trump froze, in one chart

While U.S. aid to Ukraine that President Donald Trump froze has since been released, the nearly $400 million package is likely to remain central to House Democrats’ impeachment inquiry into Trump’s possible abuse of power for political gain.

Timeline: The Trump impeachment inquiry

House Democrats have launched an impeachment inquiry to investigate President Donald Trump and whether he abused his presidential power. Trump is accused of pressuring Ukraine to investigate former Vice President Joe Biden, a potential challenger in the 2020 election.

What the whistleblower law says about sharing complaints with Congress

Democrats have argued that the Trump administration is violating federal laws by blocking the release of a recent whistleblower complaint. We checked out what the law says about sharing whistleblower complaints with Congress.

Here's the readout of Donald Trump's call with Ukrainian President Volodymyr Zelensky

The White House has released a declassified summary of a July 25 telephone call between President Donald Trump and Ukrainian President Volodymyr Zelensky. The leaders discussed reviving a dormant Ukrainian government investigation into Joe Biden’s son, Hunter, over his role in a Ukrainian energy company while his father was vice president.

How would an impeachment inquiry against Donald Trump work?

Here’s a primer on how the impeachment process works, what acts Trump took that might be considered impeachable, and what history can teach us as this story unfolds.