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.

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. will face the Senate for two days of confirmation hearings in a bid become the leader of Health and Human Services.

Robert F. Kennedy Jr. was confronted with a number of his baseless claims and a vexing abortion issue. But Republican senators treaded lightly.

Following Caroline Kennedy's scathing letter against cousin Robert F. Kennedy Jr. less than 24 hours before his first confirmation hearing for health and human services secretary, a Kennedy family insider says the Kennedy family is "in tatters" amid the "unprecedented" public conflict — especially considering Caroline almost never speaks publicly.

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

The former U.S. ambasador — the last surviving child of Jacqueline and John F. Kennedy — urged lawmakers to reject RFK Jr.’s nomination as health secretary.

Robert F. Kennedy Jr. faced intense scrutiny about previous statements at his first confirmation hearing for DHHS secretary.

Caroline Kennedy, a member of the famed U.S. political family, urged senators on Tuesday to reject her cousin Robert F. Kennedy Jr.'s nomination to lead the top U.S. health agency, calling him a "predator" and his healthcare views "dangerous.