India, Feb. 24 -- Mexican drug lord Nemesio Oseguera, nicknamed 'El Mencho', carrying a reward of $15 million, was hunted down in a massive operation involving Mexico's authorities after tip off from one of his romantic partners - information that reportedly helped officials quickly plan the raid.

Backed by a security escort that defied state forces before, Mencho - head of the infamous Jalisco New Generation Cartel (CJNG) - and his army of gunmen managed to hit a military helicopter on Sunday during the intense exchange of fire when National Guard's Special Immediate Reaction Force went to nab him. The chopper had to make an emergency landing in a nearby base.

In the midst of the gunfight, the soldiers wounded Oseguera alongside two of...