"Cassie’s new owner was aware of the restrictions, which will still be required even though the dog now lives in another county." Yup, let's just move the problem elsewhere.
"“The dog had been loose several times in the weeks leading up to the incident and I’ve been told by the owners and other neighbors of other incidents of aggression that went unreported,” Conner said." Those incidents should have been reported. This dog should have been PTS.