15 People Who Changed America—For All the Wrong Reasons

Every country has its villains, but America’s most hated figures are infamous for actions that shattered trust, provoked fear, and left lasting scars on the national psyche. From calculated betrayals to unspeakable crimes, these individuals didn’t just make headlines—they shaped history.

Here are 15 of America’s most reviled figures, the dark legacies they left behind, and how their actions continue to influence our society today.