The fighters in military-style uniforms pointed their rifles at the three unarmed men and ordered them out onto a sunny balcony, before barking at them to pause. ¡°One minute. You want to film them?¡± one of the attackers asked his comrade.

The unfolding horror, which was already being filmed by one gunman on his cellphone, was delayed for a few moments to allow a second fighter to start capturing the events.

¡°Let¡¯s go! Throw yourself over,¡± the gunmen yelled at their victims, members of Syria¡¯s minority Druze faith.