On February 1, 2018, Karakashev was detained, and on February 2, 2018, arrested on suspicion of committing crimes under Part 1 of Art. 282 (the incitement of hatred and enmity) and Part 2 of Art. 205.2 (public calls for terrorism) of the Criminal Code of the Russian Federation. According to the investigation, Karakashev published a video on one of his pages in social network «VKontakte» at the end of 2014, which allegedly calls for terrorism.