A text message received by the son of Guido Foresti, one of the men on board Vittorio Missoni's missing plane, has led investigators to believe that their disappearance may actually have been a hijacking. On Sunday evening, Foresti's son received a message saying, "Call now, we are reachable," but no one has been able to reach Foresti's phone. Investigators are now looking for signs that the four were taken hostage. Read more about it here!