Expert warns critical hours slipping away as kidnappers likely to move US missionary in Niger

American missionary kidnapped near Niger’s presidential palace as security expert warns first 48 hours critical for rescue from ISIS-controlled territory.American missionary kidnapped near Niger’s presidential palace as security expert warns first 48 hours critical for rescue from ISIS-controlled territory.Read More3779e017-2c35-5e7d-9772-a429d03c8fe5, fox-news/world/world-regions/africa, fox-news/topic/missing-persons, fox-news/world/terrorism, fox-news/world/terrorism/isis, fnc, fox-news/world, article, Fox News, Greg Wehner, Michael RuizFOX News : World