Not long after a 14-year-old girl reported Jeffery Epstein to authorities in 2005, she says she received a warning from someone who claimed to be in contact with the well-connected financier. The girl would be paid cash if she agreed not to cooperate with law enforcement, the person told the accuser, adding that "those who help him will be compensated and those who hurt him will be dealt with," according to a Palm Beach, Florida, police report reflecting the accuser's statement. The threat was one of many intimidation and bare-knuckle tactics that accusers and witnesses told police they faced after...