KARACHI- Federal Bureau of Investigation’s (FBI) agent Joel Cox has been released on bail. According to reports, police had been facing severe pressure over the arrest of the US agent and authorities had ordered the police to take immediate measures for agent’s release. American federal agent Cox was taken into custody from Karachi airport and US authorities had confirmed that Cox was appointed from Miami state’s field office. Reportedly, agent Cox was on a 3 month program to train Pakistani police. American authorities maintain that Cox was not armed during travel and that the bullets were recovered from his luggage. Agent Joel Cox was taken into custody when 15 bullets of 9mm pistol were recovered from his luggage at Karachi airport during departure. During questioning, Cox introduced himself as an employee of US consulate.