 On 1 August 2011 and 9 August 2011, with Shakuri's approval, Arbabsiar caused two overseas wire transfers totaling approximately $100,000 to be sent as a down payment for carrying out the assassination.On 20 September 2011, the source told Arbabsiar that the operation was ready and requested that Arbabsiar either pay one half of the agreed upon price of $1.5 million or that Arbabsiar personally travel to Mexico as collateral for the final payment.According to the complaint, Arbabsiar agreed to travel to Mexico, and did so on 28 September 2011.