sentences:  Part of this funding arises through the zakat (an act of charity dictated by Islam) paid by all Saudis to charities, and amounting to at least 2.5% of their income.Although many charities are genuine, others allegedly serve as fronts for money laundering and terrorist financing operations.While many Saudis contribute to those charities in good faith believing their money goes toward good causes, it has been alleged that others know full well the terrorist purposes to which their money will be applied.