In 1969, he met Rached Ghannouchi in a mosque in Tunis and agreed to found an Islamic movement in Tunisia.

In 1973, trying to organize an assembly of a hundred people in Sousse, Mourou, Hmida Ennaifer and Ghannouchi were arrested.

It is active mainly in mosques and universities and publishes a newspaper, El Maarifa, freely distributed in kiosks and bookstores close to the organization.

After this detention, Mourou adopted a conciliatory approach He denounced violence and announced the suspension of his membership in the Ennahdha movement.

Following a call from Youssef al-Qaradawi, Ghannouchi said that urou would take charge of his party's election campaign in October 2011.