evidence: The 1980s: Paramilitary flourishing [...] M-19, who had stormed the Palace of Justice in 1985 in an attack where 11 Supreme Court Justices and 90 civilians were killed, signed a peace agreement in 1989 and laid down their arms. [...] The cocaine trade reinforced the social problems. Violence and corruption intensified the political tensions, creating economic imbalance and more displaced people in the country. It also paved the way for alliances that had bloody consequences. The paramilitary groups were not only employed by the mafia. The big landowners and parts of the military apparatus came to ask for their services.