Hamas is one of the two richest terrorist organizations in the world, second only to the Islamic State group, according to Forbes Israel. To finance their operations, terrorist groups sometimes use methods similar to those used by criminal organizations, such as drug trafficking, robberies and extortion, but also raise money through charities, donations and, in some cases, government agencies, according to the report. […] The richest terrorist organization today—and in history—is the Islamic State. According to Forbes, the Islamist group, also known by the acronyms ISIS or ISIL, has an annual turnover of $2 billion. Hamas comes in second, with...