1980's Supreme Court Ruling
"Law enforcement agencies and personnel have no duty to protect individuals from the criminal acts of others; instead their duty is to preserve the peace and arrest law breakers for the protection of the general public."
Lynch v. N.C. Dept. of Justice, 376 S.E. 2nd 247 (N.C. App. 1989)
California Government Code, Section 845:
"Neither a public entity nor a public employee is liable for failure to establish a police department or otherwise to provide police protection service or, if police protection service is provided, for failure to provide sufficient police protection service."