Sightings of 'out of place' animals have long been attributed to circus train wrecks - but while such wrecks were common, actual escaped beasts were less so.
In 1954 a Glasgow cemetery filled with children hunting a vampire. Within a week the whole country knew what had made them do it, and nobody had checked.
Robert F. Kennedy Jr, the most senior figure in US health, has spent decades undermining vaccines, denying the reality of AIDS, and endangering Americans.
