Robert F. Kennedy Jr.'s record of questioning childhood vaccine safety came under fire from a key Republican at the Trump HHS pick's confirmation hearing.

Robert F. Kennedy Jr., President Trump’s pick to run the Department of Health and Human Services, squared off with Democratic senators for more than four hours in a contentious confirmation hearing before the Senate Finance Committee.

Caroline Kennedy said in a scathing letter about her cousin, Robert F. Kennedy Jr., that she felt "an obligation to speak out."

If approved, Kennedy will control a $1.7 trillion agency that oversees food and hospital inspections, hundreds of health clinics, vaccine recommendations and health insurance for roughly half the country.

Caroline Kennedy, daughter of former President John F. Kennedy, warned senators of her “predator” cousin ahead of his first confirmation hearing on Wednesday. In a letter first reported by The Washington Post, she wrote that his victims included family members and parents of sick children.

Robert F. Kennedy Jr.'s long record of questioning the safety of childhood vaccinations persisted as a flash point for him Thursday during a confirmation hearing where a key Republican quickly raised concerns about his views.

RFK Jr. claimed he is not “anti-vaccine” and appeared unfamiliar with key aspects of healthcare insurance programs in his confirmation hearing.

Robert F. Kennedy Jr. has said vaccines are not safe. His support for abortion access has made conservatives uncomfortable.

President Donald Trump nominated Robert F. Kennedy Jr. to lead the Department of Health and Human Services on Nov.

In a scathing letter Tuesday, Caroline Kennedy warned senators about her cousin, Robert F. Kennedy Jr., calling him a "predator."

The former Democrat, nominated by US president Donald Trump to be his health secretary, had a hard time justifying anti-vax statements he previously made.

The recent Senate confirmation hearings for Robert F. Kennedy Jr. presented a striking scene that would confuse a time traveler from 10 years ago. Democratic lawmakers took turns excoriating a man who once embodied their ideals.