Florida Statutes Title XLVI. Crimes § 836.10. Written threats to kill or do bodily injury;  punishment

Any person who writes or composes and also sends or procures the sending of any letter, inscribed communication, or electronic communication, whether such letter or communication be signed or anonymous, to any person, containing a threat to kill or to do bodily injury to the person to whom such letter or communication is sent, or a threat to kill or do bodily injury to any member of the family of the person to whom such letter or communication is sent commits a felony of the second degree, punishable as provided in s. 775.082, s. 775.083, or s. 775.084.