NEW : ` ` It 's not a good day for the FBI , '' says ICE director John Morton . NEW : Smugglers were caught in the act , Morton says . A 600-yard tunnel connected offices in Tijuana and San Diego , officials say . A married couple driving the truck was arrested , he said . 26 tons of smuggled drugs were found on the US border and 4 in Mexico .
NEW : ` ` It 's not a good day for the FBI , '' says ICE director John Morton . NEW : Smugglers were caught in the act , Morton says . A 600-yard tunnel connected offices in Tijuana and San Diego , officials say . 26 tons of smuggled drugs were found on the US border and 4 in Mexico .