PRAYAGRAJ, Sept. 4 -- The mystery surrounding the disappearance of photographer Alok Gupta, 27, has been solved with the arrest of three men, including a close friend, who allegedly murdered him over an unpaid debt of Rs.50,000 and disposed of his body in Madhya Pradesh's Rewa district, nearly 60 km from the city. Prayagraj police on Thursday arrested Shubham Tiwari, Shubham Yadav and Ankush Yadav. Following their arrest, the accused confessed to the crime. Police also recovered the country-made pistol and the vehicle used in the murder. Addressing the media at Police Lines, DCP (city) Sagar Jain said Tiwari had borrowed the money from Gupta and harboured resentment over being repeatedly humiliated about the debt. According to investigators, Gupta frequently demanded repayment and allegedly humiliated Tiwari over the debt. Police believe this led to mounting resentment, prompting the latter to hatch a murder plot with the help of his two associates....