A 35-year old patient with schizophrenia

A 35-year old patient with schizophrenia presents to the community treatment facility. He has not taken his medications because he says the voices in his head told him not to take them. He claims men from the CIA are chasing him and his food is being poisoned. He presents with a flat affect. What assessment can the nurse make about the symptoms of his illness? What interventions are necessary? How will the nurse build trust with the patient? Give examples of how to therapeutically communicate with the patient