- "El Chapo" escaped raid on his hideout using a secret passage
- It took 90 minutes for authorities to find it and follow him through a sewer, source says
- Police found a vast arsenal in his hideout, including loaded rocket launchers
(CNN)A battering ram breaks the silence, giving way to the sounds of gunfire as a commando screams.
The haul included loaded rocket launchers, eight rifles, semi-automatic weapons, grenades and four armored vehicles, authorities said.