Donald Trump has nabbed the endorsement of a Benghazi victim's father, days after he upset various veterans groups for criticizing the parents of a fallen Muslim-American soldier.

The Republican presidential nominee was endorsed on Tuesday by Charles Woods, the father of former Navy SEAL Tyrone Woods, who was killed during the 2012 attack on the U.S. Consulate in Benghazi, Libya.

"I support Donald Trump, and the main reason is national security as well as the economy are the two most important issues that voters are going to have to decide upon next November," Woods said in a statement released by the Trump campaign.

The endorsement comes on the heels of the campaign's latest controversy, which began after Khizr Khan, who lost his son U.S. Army Capt. Humayun Khan in the Iraq War, questioned Trump's knowledge of the U.S. Constitution during a speech at the Democratic National Convention.

"If you look at his wife, she was standing there. She had nothing to say. She probably, maybe she wasn't allowed to have anything to say. You tell me," Trump had later said in an interview with ABC News' George Stephanopoulos. "She was extremely quiet, and it looked like she had nothing to say."

Trump's response was met with disapproval from groups like the Veterans of Foreign Wars as well as both Republican and Democratic lawmakers. With the exception of a Monday night interview with Fox News' Sean Hannity, the GOP presidential hopeful declined to discuss his back-and-forth with Khan during his three most recent campaign rallies.

"Tyrone Woods is an American hero and his father is a tremendous person whom I have great respect for," Trump said of Woods' endorsement on Tuesday. "His support is so important to me."