The last thing a group of Indian policemen in West Bengal expected to find when they raided a brothel last week was three of their own colleagues from a neighboring state availing themselves of its services.

The trio — tasked with transporting a convicted murderer in the eastern state of Jharkhand back to prison following a medical check-up at a nearby hospital — got drunk and decided to travel about 128 miles to the neighboring state to “enjoy,” the Times of India reported. A fourth constable who was accompanying the prisoner reportedly went home for the night instead.

The incident came to light after the conscientious convict, 40-year-old Bajju Yadav, escaped, took a train back to the prison of his own accord, and recounted the incident to the Jharkhand police. “I restrained myself while the policemen had fun,” he said.

Although the officers were carrying firearms, they were not in uniform at the time of their arrest.

“We got to know they are police only after the Jharkhand police contacted us,” an official in Asansol, where the men were arrested, told the Hindustan Times.

D.K. Pandey, the director general of Jharkhand police, told reporters that all four policemen have been suspended until further notice while a probe was conducted.

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Write to Rishi Iyengar at rishi.iyengar@timeasia.com.