Re: Worrying - I agree with an American politician!
"Reasonable suspicion" seems to be a bar that is set WAY lower than "probable cause", just on the basis of English semantics ('cos I ain't a lawyer, either). 'Probable cause' implies that one has to be able to articulate some evidence pointing to probability, whereas 'Reasonable suspicion' just has to demonstrate that a suspicion is not unreasonable. Arguing over the applicability of the word "reasonable" in any given context has paid for the private education of generations of lawyer's children...