New Delhi, May 20 -- The Delhi police arrested 67-year-old Devender Sharma, the Ayurvedic practitioner-turned-serial killer who jumped parole last year.

Sharma is infamous as 'Doctor Death' for feeding his victims to crocodiles.

Sharma, who was convicted in multiple murder cases, was arrested on Monday when he was posing as a priest under a false identity at an ashram in Rajasthan's Dausa, reported PTI quoting official.

Police suspect that Sharma, who has a long criminal history involving at least 27 cases of murder, kidnapping and robbery, could have involvement in over 50 murder cases.

In seven separate cases across Delhi, Rajasthan and Haryana, Devender Sharma has been sentenced to life imprisonment. A Gurgaon court has even awarde...