When Papadopoulos declared Martial law after the 1967 coup, he increased the power of the ESA even further by making it the junta's chief arm of law and order as well as repression.
Following the 1967 coup, Papadopoulos implemented martial law, which significantly expanded the ESA's power. The ESA became the junta's main tool for maintaining order and enforcing its rule through both legal and repressive measures.