LUCKNOW, Aug. 22 -- The police investigation into the Gomti Nagar double murder-suicide has shifted focus towards tracing the illicit supply chain of three firearms recovered from the residence of bank officer Manas Bajpai. A Sitapur-based lawyer has emerged as a key lead in the suspected weapon trail. Police on Thursday recovered two pistols and a country-made firearm from his house and are now trying to establish how the banker gained access to the weapons. Given that Bajpai had no prior criminal record, his ability to procure three firearms within a brief window has raised significant red flags for cops. Police sources said Bajpai was in contact with a lawyer from Sitapur, and investigators suspect the lawyer may have helped him establish contact with persons involved in arranging firearms. The lawyer is likely to be questioned soon as police seek to determine the exact nature of his association with Bajpai and whether he had any role in procuring/facilitating the weapons. Investigators are working backwards from the firearms recovered in the case to identify their source, the people involved in their transfer and the circumstances in which Bajpai obtained them. Police are examining whether he had any earlier links with arms suppliers or whether the weapons were arranged specifically after the August 18 family court hearing. According to police sources, the Sitapur-based lawyer's name surfaced during the investigation after officers examined Bajpai's contacts. Officials have not yet concluded that the lawyer supplied or arranged the firearms. His possible involvement remains a line of investigation. Investigators are examining the weapons for forensic evidence, trying to establish their origin and movement before they came into Bajpai's possession....