Section 11.56.807 - Terroristic threatening in the first degree(a) A person commits the crime of terroristic threatening in the first degree if the person knowingly sends or delivers a bacteriological, biological, chemical, or radiological substance or an imitation bacteriological, biological, chemical, or radiological substance and, as a result, (1) places a person in reasonable fear of physical injury to any person;(2) causes evacuation of a building, public place or area, business premises, or mode of public transportation; or(3) causes serious public inconvenience.(b) In this section,(1) "bacteriological, biological, chemical, or radiological substance" means a material that is capable of causing serious physical injury;(2) "imitation bacteriological, biological, chemical, or radiological substance" means a material that by its appearance would lead a reasonable person to believe that it is capable of causing serious physical injury.(c) Terroristic threatening in the first degree is a class B felony.