Former South Carolina Gov. Nikki Haley took to the stage to give former President Donald Trump her “strong endorsement” at the Republican National Convention in Milwaukee.

ABC News’ Jon Karl breaks down the endorsements from Nikki Haley and Ron DeSantis at this week's RNC.

The attempted assassination was being investigated as a potential act of domestic terrorism, the FBI said in a statement late Sunday.

The attempted assassination was being investigated as a potential act of domestic terrorism, the FBI said in a statement late Sunday.

Trump invites former rivals to address the RNC. Plus, a secretly recorded phone call reveals Trump’s effort to win the endorsement of Robert Kennedy Jr.

ABC News' roundtable breaks down the highlights and speeches from Night 2 of the Republican National Convention.

The former president’s daughter-in-law delivered a speech on the second day of the Republican National Convention in Milwaukee.

The senior U.S. senator from Florida spoke on the second day of the Republican National Convention in Milwaukee.

Dave McCormick, who witnessed the assassination attempt on Trump, addressed the "terrifying" moment at the start of his remarks at the Republican National Convention.

ABC News' Linsey Davis speaks with the son of former President Donald Trump on the aftermath of the assassination attempt on his father and their strategy at the RNC.

ABC News' Linsey Davis speaks with the former chief of the San Bernardino Police Department, Jarrod Burguan, on his own experience with terrorist attacks by "lone wolves."

He hit back his rival's claims and record but avoided personal attacks.

ABC News' Linsey Davis speaks with former Republican consultant Stuart Stevens about the efforts to unify the nation after the attempted assassination of Donald Trump.

The former president was met with a standing ovation at the Fiserv Forum in Milwaukee.

The U.S. Secret Service recently bolstered Donald Trump's security due to intelligence suggesting a potential Iranian threat to assassinate the former president, according to three officials.

The U.S. Secret Service in recent weeks had increased Donald Trump's security detail due to intelligence Iran threated to assassinate him, according to three officials.

The president said a Black job is “the vice president of the United States” during a speech at the NAACP National Convention in Las Vegas on Tuesday.

Singh, a delegate from California, served in the Department of Health and Human Services during the Trump administration.

The president said Americans need to "condemn violence in any form" during his address at the NAACP National Convention in Las Vegas on Tuesday.

Former President Donald Trump was the target of an assassination attempt as a barrage of gunfire at a Pennsylvania rally set off panic as a bloodied Trump, who said he was shot in the ear, was surrounded by Secret Service and hurried into his vehicle

In her first network interview since the assassination attempt on Trump, Secret Service Director Kimberly Cheatle said the Pennsylvania rally shooting was "unacceptable."

Here's a look at how Fulton County District Attorney Fani Willis' investigation into efforts to overturn the 2020 election results in Georgia has unfolded.

A state appeals court has scheduled a hearing in Donald Trump's Georgia election interference case for Dec. 5, pushing the case past the November election.

Wisconsin voters shared with ABC News what issues matter to them this election. They include inflation, border, health care and democracy.

On March 30, 1981, gunfire erupted outside the Hilton Hotel in Washington, D.C. after Reagan delivered a speech before members of the AFL-CIO.

A minute-by-minute timeline of the shooting in Butler, Pennsylvania that left Trump shot, one spectator and the suspected gunman dead and two others critically injured.

A minute-by-minute analysis of multiple videos from Trump's rally in Butler, Pennsylvania, on July 13.

The 39-year-old senator from Ohio whose 2016 memoir, "Hillbilly Elegy," was turned into a Netflix adaptation in 2020, would be one of the youngest vice presidents in U.S. history if elected.

ABC News chief Washington correspondent Jon Karl provides more information from his interview with Trump.

The Secret Service continues to investigate the suspect's motives, as authorities have gained access to his phone.

ABC News’ Katherine Faulders discusses Judge Aileen Cannon’s reasoning behind the dismissal.

Following the attempted assassination of former President Trump, the FBI has issued a bulletin warning law enforcement about possible "follow-on or retaliatory" attacks.

The man killed at a Trump rally in Butler, Pennsylvania, on Saturday has been identified as Corey Comperatore.

The youngest VP nominee in decades, J.D. Vance echoes Donald Trump's populist conservative message and could continue his legacy for years.

Tenacious D, the band led by Jack Black, is calling off its tour and putting "all future creative plans on hold" after Kyle Gass joked about Donald Trump being shot.

One of the most anticipated moments of Trump's campaign happened Monday, when former President Donald Trump named 39-year-old Ohio Sen. J.D. Vance as his running mate.

A Florida judge abruptly dismissed the federal indictment accusing former President Donald Trump of mishandling classified documents.

The latest in the investigation into the attempted assassination of former president Trump including new information about the shooter.

The suspect, Thomas Matthew Crooks, 20, allegedly opened fire on former President Donald Trump before being shot and killed by the U.S. Secret Service.

President Joe Biden is back on the campaign trail after pausing in the wake of the attack on Donald Trump, even as he urges the country to lower the political temperature.

As federal investigators continue to probe the assassination attempt on former President Donald Trump, witnesses said they tried to point out the gunman to police.

The FBI said they have conducted more than 100 interviews and have gained entry to the cellphone of the 20-year-old man who tried to assassinate former President Donald Trump.

Monday's surprise ruling dismissing former President Trump's classified documents case appears unlikely to impact his other legal cases.

A judge's decision to dismiss Donald Trump's classified documents case not only sidelined the case, but could also upend the practice of appointing special counsels.

Former President Donald Trump has chosen Ohio Sen. J.D. Vance as his running mate, adding a young, ideological ally to the Republican 2024 ticket.

Donald Trump tapped a vocal defender in the form of Sen. J.D. Vance, R-Ohio, to join his ticket -- and in doing so, is helping set the course of the GOP's future.

As the investigation into the assassination attempt on former President Donald Trump intensified Sunday, the U.S. Secret Service was coming under scrutiny.

Four Milwaukee voters sit down with ABC News to discuss issues most important to them and their concerns about Trump and Biden.

This is his first public appearance since the attempted assassination on Saturday at his rally.

Former President Donald Trump said the assassination attempt on his life over the weekend has left an impact.