Two brothers, children of Bangladeshi expatriates, who killed four of their family members before killing themselves on Saturday, wrote in an Instagram post that they had been suffering from depression. The murder-suicide also exposed how easy it is to obtain firearms in the USA. They said the gun control was “a joke”, reports the New York Post. In a 12-page note initially linked to his Instagram page, Farhan Towhid, 19, said that he and his 21-year-old brother, Tanvir Towhid, thought that getting guns would be the most challenging part of the murder-suicide plot. But they found “gun control in the US is a joke”, Farhan wrote in the note. He said all his brother had to do was go to a shop “say something about wanting a gun for home defense, sign some forms, and that was it”. There was a question if he had any mental illnesses “but he lied”, Farhan wrote. “He literally just said no. They didn’t ask for proof or if he was taking any medication (he was).”