“Caging people when they’re too poor to afford to pay court debt…is ubiquitous, it’s happening in all 50 states,” said Alec Karakatsanis, co-founder of Equal Justice Under the Law, which brought a case against Montgomery. There is no hard and fast data on how many towns engage in these practices, nor how many people are jailed on any given day. “But I go around the country…and see it all over,” he noted.