erin corwin couldn't wait. first trip to see erin and her husband jon at their new home in twentynine palms, california, at the marine base >>> 19-year-old erin corwin >>> 19-year-old erin corwin can wait. her mom would soon be making her first trip to see th erin a her husband, jon, at their new home in twentynine palms, california at the marine base in the middle of the mojave desert. around 7:00 in the morning, erin said goodbye to jon and told him she was coming here to joshua tree national park to scout out hiking trails for her mother's upcoming visit. jon expected her home that afternoon but she didn't show. he tried her phone. no answer. >> did you keep calling? ■ç >> called her throughout the night at least 50 times. i was stressed and worried. >> hours passed and by the next morning, jon was frantic. >> jon calls and he said erin is missing. he said she left yesterday morning and i haven't seen her since. my first question was, how much water did she have with her? >> your thinking this is like maybe a