Antonia María Teresa Mirabal Reyes de Guzmán (October 15, 1935 – November 25, 1960) was a surveyor and political activist from the Dominican Republic.
[2] Her outrage at the "trujillista tyranny" was so profound that she joined a January 1959 conspiracy that was hatched in the residence of Guido D'Alessandro (political nephew of her sister Minerva) to lay the foundations for what later would be called the June 14 Revolutionary Movement, hoping to overthrow dictator Rafael Leónidas Trujillo.
They were released on February 7, 1960, but shortly thereafter, on March 18, María Teresa and Minerva were arrested again and returned to La Cuarenta.
"[3] On November 25, 1960, when three of the sisters, Minerva, Patria and María Teresa, were returning from visiting the prison holding their husbands, who were leaders of the June 14 Revolutionary Movement, the women were ambushed by agents of the Military Intelligence Service (SIM) outside of Puerto Plata.
While the crime scene was meant to indicate that the sisters and driver died in the "accidental fall," it became widely assumed that their deaths were an "arranged car accident" ordered by the dictator and became a source of national outrage and called "the last straw for the Dominican people.