Poisoning — United Kingdom
Police are combing the guest records of one of the world’s most famous and expensive hotels in search of the alleged assassin who poisoned a Russian financier.
Alexander Perepilichnyy, a businessman who had turned supergrass [informer], died at his home in Surrey on the day he returned from a secretive trip to Paris.
British detectives had ruled out foul play but — to their embarrassment — French investigators have taken up the case. They believe Mr Perepilichnyy, 44, may have been
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