In June 1946, he was appointed adjutant to Colonel Gatot Soebroto, commander of the Army Police.

He held this position for two years before being posted to London to serve as the assistant military attaché at the Indonesian embassy.

[1][2][3] According to the official account by the Government of Indonesia, he was kidnapped in the early hours of 1 October 1965.

Members of the 30 September Movement led by Sergeant Major Surono entered Sutoyo's house on Jalan Sumenep, Menteng, Central Jakarta.

They forced his maid to hand over the key, entered the house and told Sutoyo he had been summoned by President Sukarno.