Amid the ongoing investigations in connection with the brutal killing of a tailor in Udaipur last month, four accused arrested persons were sent to Ajmer jail on Wednesday, officials said. The accused sent to jail included Mohsin Khan, Wasim, Asif, and Mohammed Mohsin. All four will be in jail till August 1. The national National Investigation Agency (NIA) took other accused Riyaz Ghaus and Farhat on remand.