AS RABBI DANIEL LITVAK stepped out of the cab at the airport in Porto one Thursday morning last March, a cluster of plainclothes Portuguese cops swarmed him. His son, Malkiel, watched in shock as more than a dozen men halted traffic, seized bags, and bundled his father into a vehicle, speeding off without explanation. To Malkiel, it looked like a kidnapping.
The officers were from a branch of the federal Polícia Judiciária. They drove Litvak three hours south to their headquarters in Lisbon, where they booked him, photographed him, and placed him in a cell for the night, according to Litvak, alongside a man from Pakistan arrested for attempted murder and a local arrested for armed theft. The eventual charges against Litvak included document forgery, influence peddling, and money laundering—and…