“Sandeep Dahiya has been arrested. He was picked up from Rohini. He is being interrogated and will be produced before the magistrate concerned,” a senior police official said.
Dahiya (35) was posted at Lahori Gate police station from December 21, 2017.
He had joined the Delhi Police in 2006 as a constable and became a sub-inspector in 2010 after clearing an examination.
According to the Delhi Police, Dahiya had on Sunday allegedly shot at his woman friend during a quarrel with her in his car in north Delhi’s Alipur.
He was on the run after this incident and allegedly also shot dead his 60-year-old father-in-law outside his house in Haryana’s Rohtak on Monday.