The accused identified as Bhupender alias Kala is involved in at least ten cases of murder, robbery and theft across Delhi, Bihar and Haryana, DCP (special cell) Rajiv Ranjan said.
In 2005, he was arrested for over three cases of robbery and murder for which he served a jail term of about four years, he said.
On his release, he not only forcibly married a girl but also murdered his brother, sister-in-law following some dispute over property matters. Since then he was in judicial custody, police said.
Acting on a tip-off, police laid a trap near a bus stop in Najafgarh, where he had reportedly come to meet his relatives, and nabbed him yesterday, he said.
Police said that Kala, 39, confessed to his crimes during interrogation and said that he had escaped from its custody.
According to police, Kala was arrested in the year 2000 for the first time in a vehicle theft case. Later, his crime graph rose as cases of robbery, murder and abduction were reported against him.