We have assisted many clients whose dogs were killed or maimed another persons dog. This new law holds those negligent dog owners accountable for their actions. It also requires an owner to prohibit an aggressive dog from escaping a residence, enclosed area, yard or structure. A violation of that statute is a Class 3 misdemeanor. Furthermore, an owner is required to assert the necessary control to prevent an aggressive dog from biting or attacking a human or domestic animal while off the property. A violation of that statute is a Class 1 misdemeanor.

Read more: http://www.azcentral.com/community/glendale/articles/2011/05/03/20110503arizona-dog-owners-now-liable-attacks-others-pets.html#ixzz1LPrfH3YEArizona dog owners now liable for attacks on others' pets