如果你可以查到这只狗曾经已经被列为危险

J. Any owner or custodian of a canine or canine crossbreed or other animal is guilty of a:

1. Class 2 misdemeanor if the canine or canine crossbreed previously declared a dangerous dog pursuant to this section, when such declaration arose out of a separate and distinct incident, attacks and injures or kills a cat or dog that is a companion animal belonging to another person;

2. Class 1 misdemeanor if the canine or canine crossbreed previously declared a dangerous dog pursuant to this section, when such declaration arose out of a separate and distinct incident, bites a human being or attacks a human being causing bodily injury; or

3. Class 6 felony if any owner or custodian whose willful act or omission in the care, control, or containment of a canine, canine crossbreed, or other animal is so gross, wanton, and culpable as to show a reckless disregard for human life, and is the proximate cause of such dog or other animal attacking and causing serious bodily injury to any person.