The throat-slit body of an unidentified youth, aged around 25, was recovered from New Chowdhury Para area in Comilla city on Sunday evening.
Inspector (Investigation) at Kotwali Model Police Station, Salahuddin said tipped-off, Police recovered his body from a rented flat and sent it to Comilla Medical College and Hospital morgue for an autopsy.
In the meantime, Jumman, relative of one of the house owners who lives in USA, was arrested for interrogation, said the Inspector.
Police are trying to detect the reason behind the killing, reports a local news agency.