Samer el Debek, a naturalized U.S. citizen, was allegedly recruited by Hezbollah in late 2007 or early 2008. Based on information el Debek provided to the FBI, the government assessed that el Debek had received extensive training as a bomb maker. El Debek traveled to Thailand and Panama on missions for Hezbollah. In Panama, he analyzed security procedures at the Israeli Embassy and the Panama Canal. In Thailand, he cleaned up explosive precursors in an apartment that was under surveillance.