Delhi: DU student arrested for killing parents and sister Photo: Representative Image Delhi: DU student arrested for killing parents and sister Photo: Representative Image 
A twenty-year-old Arjun Tanwar was arrested on Thursday for allegedly killing his parents and sister at their south Delhi residence and police have found out that he had searched online about methods of murder before committing the crime.fachai
The accused was reportedly pursuing a degree in political science at a Delhi University college and was a trained boxer. According to police, Tanwar did not have good relations with his parents and was upset that they liked his sister more than him.
Delhi Police have also recovered blood-stained clothes and an army knife allegedly used in the crime and seized Tanwar's mobile phones, laptop and other electronic gadgets.
Accoridng to PTI the police are also contemplating conducting a psycho-analysis test on Tanwar to determine his mental well-being.
Ex-armyman Rajesh Kumar (51), his wife Komal (46) and their daughter Kavita (23) were found murdered at their house in Deoli village on Wednesday morning.
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Proceedings In The CaseThe was produced before a city court on Thursday from where he was sent to a three-day police custody. The police said in the court that they have to interrogate him thoroughly and confront him with some people and other evidence.
PTI reported that during investigation, it was found that the accused had searched for kind of murder techniques on internet before committing the crime.
Police have seized his mobile phones, laptop and other electronic gadgets, which will also help ascertain if he watched crime web series to get an idea to commit the crime.
Police recovered his blood-stained sweatshirt and the army knife from nearby Sanjay Van late Wednesday night.
During interrogation, Tanwar told the police that he first killed his sister. Then he went upstairs where his parents were sleeping and killed them too.
Tanwar then changed his blood-stained clothes, put them in his gym bag and went to Sanjay Van where he dumped them along with the knife, they added.
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After coming back home, he tried to clean blood spots in the washroom and other articles in the house, an official said.
Tanwar then provided a false alibi to police, claiming he was at the gym when the family members were murderedfachai, he added, according to PTI.