 The defendants were charged with conspiracy to murder a foreign official, conspiracy to engage in foreign travel and use of interstate and foreign commerce facilities in the commission of murder-for-hire, conspiracy to use a weapon of mass destruction, and conspiracy to commit an act of international terrorism transcending national boundaries.The details of the plot were established in later court proceedings.According to these events, Arbabsiar met with Shakuri from the spring of 2011 to October 2011 to plot the murder of the Saudi Ambassador, and met with a Drug Enforcement Administration (DEA) source in Mexico who posed as an associate of an international drug trafficking cartel.