Dobson was arraigned on the charges, and an attorney was retained to represent him?

After the lineup, Dobson was taken to an interrogation room by Oakes, and Oakes read Dobson his Miranda rights. Dobson said that he wanted to speak to a lawyer and would have to retain one, as he did not have a lawyer. Dobson was then taken to a jail cell. Two hours later, Dobson called for Oakes and said that he changed his mind and that he was willing to talk to him without a lawyer. Oakes again read Dobson his Miranda rights, and Dobson then signed a written waiver of his rights. Oakes then interrogated Dobson, who confessed that he shot Vance. Dobson was then arrested and charged with murder and unlawful possession of a loaded weapon. Dobson was arraigned on the charges, and an attorney was retained to represent him?