Caroline Kennedy stepped out of the shadows and onto social media to assail her cousin, Robert F. Kennedy Jr., on the eve of his Senate hearing.

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

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.

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

Maria Shriver praised her cousin Caroline Kennedy’s “courage” in slamming their fellow relative Robert F. Kennedy Jr. as a “predator.” Caroline, the only living child of former President John F. Kennedy,

Caroline Kennedy was critical of her cousin Robert F. Kennedy Jr.'s views on vaccinations on the eve of his confirmation hearings for Secretary of Health and Human Services. It comes as vaccination rates for some diseases have been decreasing.

Robert F. Kennedy Jr.'s cousin said he should not become President Donald Trump's health secretary, calling his medical views 'dangerous'

In a letter to senators, Caroline Kennedy etches a damning sketch of her cousin, the latest condemnation Robert F. Kennedy Jr. has received from members of his family.

Kathleen "Kick" Kennedy is the eldest daughter of Robert F. Kennedy Jr., who could be confirmed as health secretary in Trump's administration.

Robert F. Kennedy Jr.'s name, populist stances and following have earned him Trump's support, but will that get him the votes he needs?

For the first time in modern American history, a skeptic of medical research could be responsible for safeguarding public health.