SPRING, TX --The search for a missing Spring-area teenager continues this weekend, nearly three weeks after she disappeared. The Laura Recovery Center will be out looking for Ali Lowitzer. Last night, friends and family attended a vigil for her at North Woods Baptist Church. They are all desperately hoping the she will come home soon. Lowitzer went missing after she got off her school bus on April 26. If you know anything about this case, you are asked to call police.