article_snippet: Joshua Oker, 16, disappeared after taking Joshua Oker out on Spain's River Guadiaro .
article_snippet: Joshua Oker, 16, disappeared on Wednesday after taking Joshua Oker out on the River Guadiaro in a remote part of the province of Malaga.
highlights_snippet: Joshua Oker vanished in a remote area in the Spanish province of Malaga .
  