patna a 22yearold man was stabbed to death in front of his girlfriend by her brother who was opposed to their relationship the accused his father and even his sister were remanded in judicial custody on saturdaythe 21yearold accused mohammad mahboobs sister shahnaz parveen 19 and father mohammad rahmat 46 were arrested on charges of conspiring to murder manoj kumar sahthe incident took place around 7 am on friday when manoj and shahnaz were meeting secretively at birpur police got information about the murder around 1015 am when manojs family members traced his body police saidthey had started looking for manoj when he left home early in the morning and stopped responding to phone calls both families are residents of birpursupaul sp manoj kumar on saturday said it was yet not clear whether it was a preplanned murdermanojs father rambabu sah pressed charges against all three for conspiring and killing his son after which they were arrested on friday and forwarded to judicial custody on saturday he saidthe sp said mahboob spotted manoj following his sister after she left home he followed them and later stabbed manoj to death and fled he addedkumar said mahboob was arrested within three hours of the incident adding manoj and shehnaz were in a relationship for around seven yearspolice also came to know that mahboob had threatened and thrashed manoj on several occasions after coming to know about his relationship with his sister he finally killed him on the same issue the sp saidkumar said mahboobs elder brother mohammad aslam is also behind bars in another murder case which took place a few months backpolice sources said shehnaz told the police that her brother had attempted to kill her too but she managed to fleetwo stab wounds were visible on the neck while one was visible in ribs of manojs body shehnaz told police that manoj was killed before her eyes a police officer privy to the investigation said