This probably depends on the state in which you live in. You may want to seek asistance from a lawyer if necessary.
It is very illegal to hack into anything.
No. That would be illegal! She has been married but is now divorced.
Yes, unless the property is on city sewer or the property is not for housing.
yes as much she likes.
In schools they are generally illegal for a student to possess.
It is not illegal to access your husbands cell phone bill. It might not be moral, but there are no laws against this.
No, skateboarding itself is not illegal. It is illegal only if you skate on private property or in places where it is prohibited.
No it is not.
Yes. It is illegal to deface it, because it is considered government property.
yes
contact the city.
It depends on the state and state laws. In some states it may be illegal to jump a fence on fast food property.