That cheerful message was reposted by Abdulrahman Ali Alharbi from the Boston Muslim Community on his Facebook page last year. FOX News is reporting that Alharbi (harb = sword) is the “person of interest” being questioned. This is still preliminary information and may not pan out in the long run. A source close to the investigation confirms to FoxNews.com the man whose apartment was searched is considered a person of interest in the case, and is the same person of interest Fox News confirmed earlier authorities are guarding at a local hospital. The source confirmed to FoxNews.com that the person...