NOT SURE WHO IS BEHIND IT,BUT IF U GUESS DAESH, U GOT GOOD ODDS:
"Two gunmen surrounded the home for the elderly in
Aden while another four fighters entered the
building, witnesses and officials said. They said the
gunmen moved from room to room, handcuffing the
victims before shooting them in the head.
..."
http://www.foxnews.com/world/2016/03/04/gunmen-kill-16-including-4-nuns-in-yemen-retirement-home.html
