§ 120.11 Aggravated assault upon a police officer or a peace officer.
  A  person  is  guilty of aggravated assault upon a police officer or a
peace officer when, with intent to cause serious physical  injury  to  a
person whom he knows or reasonably should know to be a police officer or
a peace officer engaged in the course of performing his official duties,
he  causes  such  injury  by  means  of  a  deadly  weapon  or dangerous
instrument.
  Aggravated assault upon a police officer or a peace officer is a class
B felony.
.

• intent to cause serious physical injury
• serious physical injury
• deadly weapon or dangerous instrument
• defendant reasonably should know victim is on-duty P.O.

LIO