The arrest of the perpetrators of the massacre in Firmard Karaji Hassan Maddi, the general and revolutionary prosecutor of Alborz district, regarding a video published on the Internet about the beating of an old man by some young people, said: After a complaint was received about the beating of an old man in Golshahr district of Karaj, which had a wide impact on the online space, the matter was investigated in the prosecutor's offices and the defendants, these four defendants.