A feed of photos on Instagram marks Skype 's trail then goes cold . She flew to Newark alone after making friends there online . The mother of 3,000 has n't been heard from since the next day and did n't fly home the next day . Her husband , Jimenez , says he has no explanation as to what happened to her .
A feed of photos on Instagram marks Sierra 's trail then goes cold . She flew to Istanbul alone after making friends there online . The mother of two has n't been heard from since January 21 and did n't fly home the next day . Her husband , Steven , says he has no explanation as to what happened to her .