Woman murdered trying to kayak entire Amazon River

LONDON -- The family of a British woman murdered while attempting to kayak the length of the Amazon on her own have paid tribute to the former school principal.The siblings of Emma Kelty, in a statement released by the U.K. Foreign Office, described the family's pride in their "active and determined sister."The 43-year-old Londoner was last heard from on Sept. 13, after she posted comments on social media sharing her fear of being robbed or murdered in a remote jungle area of northern Brazil tha