<Tr> <Td> <Ul> <Li> US courts </Li> <Li> Not in English / Welsh courts </Li> <Li> Scottish courts </Li> <Li> English / Welsh courts </Li> <Li> Canadian courts </Li> <Li> UK courts </Li> </Ul> </Td> </Tr> <Ul> <Li> US courts </Li> <Li> Not in English / Welsh courts </Li> <Li> Scottish courts </Li> <Li> English / Welsh courts </Li> <Li> Canadian courts </Li> <Li> UK courts </Li> </Ul> <Li> Not in English / Welsh courts </Li> <Li> English / Welsh courts </Li>

What is the exclusionary rule and how does it work