RFK Jr. swam in Washington D.C.'s polluted Rock Creek with his grandchildren, drawing backlash for ignoring health warnings. Critics say it undermines public trust; his team claims it was an environmental statement.

U.S. Health and Human Services (HHS) Secretary Robert F. Kennedy Jr. is under fire after posting photos of himself and his grandchildren swimming in a long-polluted creek. The water at Rock Creek Park in Washington,

Robert F. Kennedy Jr. posted photos swimming in a Rock Creek Park, which is contaminated with raw sewage. Dr. Peter Hotez joins Chris Hayes to discuss public health disinformation being spread by the Health and Human Services Secretary.