Mother & grandmother of American Combat Veterans. Patriot to the core! Contributed to Apollo 11 working on guidance system, AKC licensed dog handler (retired)
Call Child Protection. (After police) That child is in desperate need of 'real' parenting. Remove child & any others in the home.
Parents should be directed by judge to clean up mess, plus, pay money for all damage & emotional wear on store owner & workers.
God help that child & siblings, if any.