ROUGH CUT (NO REPORTER NARRATION)

STORY: The Mexican government on Monday captured the brutal leader of the Zetas drug cartel in an early-morning raid, marking the biggest victory for President Enrique Pena Nieto in his fight against gang violence.

Navy handout video showed Trevino shortly after his arrival in Mexico City following his arrest.

Marines arrested Miguel Angel Trevino, aka Z-40, after intercepting his pick-up truck with a helicopter a few miles from his home town of Nuevo Laredo on the U.S. border.

The Zetas have been blamed for many of the worst atrocities carried out by Mexican drug gangs.

Following a tide of gang-related beheadings, massacres and gunfights that have claimed more than 70,000 lives since the start of 2007, Pena Nieto said his number one priority was to restore stability when he took office in December.

Trevino, 40, was caught with two associates following a months-long operation to track him down. Authorities also seiz