Question

Please help u.s government
criminal trials for charges of murder in other crimes would be conducted in?

a)stae court system unless the charges invovle in multiple states, non citizens immigrants, or a foreign ambassador.
b) state court system unless the investigations of the case invovled the highest excutive agencies in the state.
c) federal court system unless the investigation of the case required in majority of state resources.
d) federal court system unless the charges were limited to actions that violated state laws.