Leino returned to the public eye in 1958 with his memoirs of his time as Minister of the Interior, which were due to be published by Tammi. The manuscript was prepared in secret – even most of the Tammi staff were kept in ignorance – but the project was revealed by Leino because of an indiscretion just before the planned publication. It turned out the Soviet Union was very strongly opposed to publication of the memoirs.
In 1958, Leino returned to public attention with his memoirs of his tenure as Minister of the Interior, which were set for publication by Tammi. The manuscript was prepared in secret – even most of the Tammi staff did not know – but the project was revealed due to a mistake just before the planned release. It later became clear that the Soviet Union had strong objections to publishing the memoirs.