What began with the theft of an 88-year-old man’s mobile phone in the heart of the Capital led the Delhi Police to an alleged interstate cybercrime network involving mule bank accounts and a call centre-style setup in Jaipur, officers said on Monday.The Cyber Police Station of Central District has arrested nine people in coordinated raids carried out across Rajasthan’s Jaipur, and Meerut and Ghaziabad in Uttar Pradesh, police said.The operation allegedly exposed a two-tier network — while one group operated from Jaipur and used the stolen phones and banking credentials to access victims’ accounts, route money through mule accounts and withdraw or transfer the funds; the other group allegedly set up mule bank accounts, and supplied debit cards, SIM cards and point-of-sale (POS) machines.How the syndicate came under scannerThe syndicate came under scanner after an elderly man, a resident of Delhi’s West Patel Nagar, reported the theft of his mobile phone on May 19, said officers. Two days later, after he obtained a replacement SIM, he received a series of SMS alerts from a public sector bank.The alerts mentioned that an amount of Rs 70,000 has been withdrawn from his bank account through two unauthorised transactions of Rs 25,000 each and one of Rs 20,000.The victim immediately reported the transactions on the National Cyber Crime Helpline 1930. Based on the complaint, an FIR was registered at Cyber Police Station, Central District, on July 23 for cheating and dishonestly inducing delivery of property under Section 318(4) of the Bharatiya Nyaya Sanhita (BNS).Also Read | DLF Camellias, Lutyens’ bungalow: How Delhi’s elite fell for a scamAnatomy of a racketAccording to police, the investigation initially focused on tracing the stolen handset and the financial trail of the unauthorised transactions. Analysis of the transactions eventually led investigators to a network spread across Delhi-NCR, Uttar Pradesh and Rajasthan. Police said the syndicate functioned in stages.Story continues below this ad“At one end were people allegedly involved in stealing mobile phones. The stolen devices could then be used to facilitate access to banking and payment services. A separate group operating in Meerut and Ghaziabad allegedly supplied mule bank accounts, debit cards, SIM cards and POS machines,” said Rohit Rajbir Singh, DCP, Central. Another layer, police said, was operating from Jaipur.Investigators found that the actual banking intrusions and movement of funds were being carried out from a call-centre-style operation in Jhotwara, Jaipur. The operators allegedly accessed victims’ banking accounts, transferred money into mule accounts and subsequently withdrew or moved the funds through POS machines and online payment channels, an officer said.The investigation was carried out under the supervision of Inspector Yograj Dalal, SHO, Cyber Police Station, Central District, and the overall supervision of ACP Paharganj Saurabh Narendra.Call centre-style setup uncoveredAs investigators traced the digital and financial trail to Jaipur, a police team led by Sub-Inspector Naveen and Constable Mukesh was sent there. Police said the team suspected that the operators could destroy server histories, transaction records and other digital evidence.Story continues below this adA raid at a residential premises in Jhotwara allegedly uncovered a functioning call-centre-style setup, an officer said. The police seized laptops, tablets, internet routers, mobile phones, debit cards, passbooks and diaries containing transaction details and alleged victim information.Nikhil Soni, 26, identified by police as the alleged main operator and technical mastermind of the Jaipur module, was arrested along with four associates.The four others arrested from the Jaipur module were Abishek Kumar Jha, 23; Anand Sah Sonar, 26; Prince Sah Sonar, 20; and Bishek Kumar Jha, 21. All five are residents of Jaipur, police said.At the same time, another police team comprising Head Constables Sanjeev and Deepak and Constable Deepak conducted raids in Meerut and Ghaziabad.Story continues below this adPolice said the team targeted the alleged supply chain that provided mule accounts and other banking infrastructure to the Jaipur operators.Four people identified as Amar Jatav (23), Harsh (23), Mohan (24) and Vashu (19) were arrested, police said. While Amar and Vashu were residents of Meerut, Mohan and Harsh hailed from Ghaziabad.Also Read | Gurgaon court slams police, grants bail to female ex-manager accused of Rs 32-lakh fraudAccording to investigators, the accused allegedly supplied mule accounts, debit cards and other financial instruments used to receive and move money siphoned from victims.Police said they seized four laptops, two mobile tablets, 52 mobile phones, 145 SIM cards, 70 debit cards, 13 bank passbooks and six POS machines from their possession. Four high-speed internet routers and Rs 4 lakh in cash were also recovered, an officer said.Story continues below this adInvestigators also seized personal diaries allegedly containing transaction ledgers and contact details of victims.The seized digital devices are now being subjected to forensic examination. Police said the investigation has so far linked the network to 19 complaints registered on the National Cyber Crime Reporting Portal (NCCRP) across different states.Further financial analysis is underway to determine the total amount allegedly siphoned and laundered through the network, said officers.Police issues advisoryIssuing an advisory, the Delhi Police said that a handset can provide access to SMS-based authentication, banking applications, UPI services and other financial accounts, increasing the risk of financial.The Delhi Police has advised citizens who lose their phones to immediately block their SIM cards through their telecom operator and report the handset on the Central Equipment Identity Register (CEIR) portal so that its IMEI can be blocked.