The White House lashed out at Rep. Marjorie Taylor Greene (R-GA) when asked whether President Joe Biden regretted laughing when discussing a mother who lost two sons to fentanyl overdoses.

"His words are being mischaracterized by someone who is regularly discredited for things that she says that are really conspiracy theories," press secretary Karine Jean-Pierre told reporters Thursday.

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Jean-Pierre defended Biden's reaction, saying the public "knows who he is, fundamentally, because he's been around for some time."

"They have watched him go through grief," she said. "He expressed sympathy for her last night and his heart goes out to any person, any person who has to go through that type of trauma, that type of hurt."

During his appearance at the House Caucus Issues Conference in Baltimore, Maryland this week, Biden quipped "a lot of Republicans running our way" due to Taylor Greene.

"I've read she was very specific recently, saying that a mom — a poor mother who lost two kids to fentanyl, that — that I killed her sons/ Well, the interesting thing is that fentanyl they took came during the last administration," he said before laughing.

Taylor Greene had earlier tweeted her exchange with the mother, Rebecca Kiessling, whose sons Caleb, 20, and Kyler, 18, died in 2020 after taking fentanyl-laced Percocet pills, during a House Homeland Security Committee hearing on fentanyl imports.

In a video posted to Facebook, Kiessling demanded Biden apologize to her for mocking "the loss of my sons" because Taylor Greene misspoke.

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“How dare you. What is the matter with you?" she asked. “What about the 22% increase in fentanyl deaths since you became president?”