...you guys...it's the Mothers of the Disappeared...or, at least, a very similar organisation...
Help Protect Estela Carlotto and Other Human Rights Defenders in Argentina
"On 25 September, an unidentified caller reportedly telephoned the Commission offices, giving the warning, "Look after yourselves because we are going to finish you all off" "..."This threat comes only a few days after the home of the Estela Carlotto, President of the Commission and President of the non-governmental human rights organization Abuelas de Plaza de Mayo, Grandmothers of Plaza de Mayo, was sprayed with bullets, and at a time when the Commission is organizing public demonstrations in support of Estela Carlotto and the work of human rights defenders in the country."