Goa, April 15 -- The investiga tion into the killing of Tanvi Ghadi at Kazur within the jurisdiction of Caurem-Pir la in Quepem taluka has taken a new turn, with po lice now focusing on the origin of the firearm used in the crime and whether the accused possessed a valid licence. The accused, Sweth Gaude, was produced before the court, which granted four days of police remand, said Quepem PI Prashal Dessai. He added that the firearm has been seized and efforts are underway to determine whether it was legally owned. According to police sources, the offence has been registered under Sec tion 103(1) of the Bhara tiya Nyaya Sanhita (BNS), along with Sections 3 and 5 read with Sections 25 and 27 of the Arms Act, which pertain to the illegal po...