The Tennessee Attorney General won’t appeal a decision finding surveillance of private property by state game wardens to be unconstitutional.
tennesseelookout.com
Read the 5th paragraph in the article linked. A TN court ruled that the warrantless search violated the TN Constitution, not the federal Constitution. A federal court has no authority to overrule the state courts when ruling on state law unless they violate federal law. State constitutions can be more restrictive than the federal Constitution (broader rights for the individual) but not less. That is why DUI checkpoints are legal in some states but not others, as long as they follow the loose guidelines outlined by the US Supreme Court. Some states have found them to violate their own Constitutions.
State law is always subject review in federal court. But something can be found constitutional in federal court, and still be found by state courts to violate a state's constitution. If something violates the federal constitution as ruled by the Supreme court, it is banned everywhere.
I'm sure you're already aware that state constitutions have their own bill of rights, and that is what gives state courts authority to find a law illegal under the state constitution, even though the law does not violate the US Constitution per the Supreme Court.