She'll get nowhere.
SCOTUS cases
Castle Rock v. Gonzales - Neither cities nor police departments are responsible for failing to enforce restraining orders or protect citizens.
Warren v. District of Columbia - Neither the police nor the government is liable to victims for failure to provide adequate police protection.
DeShaney v. Winnebago County Department of Social Services - The state has no affirmative duty to protect an individual, even if they know that person is in danger.
Don't know of any in the 4th Circuit, which is where SC is.