We'll make a turn now to that desperate search for an 11-year-old cancer victim whose life may be in danger. Last week, her parents took her out of a phoenix hospital with a catheter still attached to... See More
We'll make a turn now to that desperate search for an 11-year-old cancer victim whose life may be in danger. Last week, her parents took her out of a phoenix hospital with a catheter still attached to her chest. Abc's abbie boudreau has the latest. Reporter: This morning, the fbi and phoenix police say this 11-year-old could be in danger. Time is of the sense. We have a patient that has gone missing. Reporter: These are the last images of young emily, captured on hospital surveillance cameras just moments before her mother snuck her out of phoenix hospital. Emily number the hospital for a month, receiving treatment for leukemia and recently had her arm amputated. She was only hours away from being released. When emily follows her mother into a hospital restroom. Her i.V. Machine in tow. Police say that's when her mother removed the i.V. From emily's chest catheter herself which doctors fear could lead to a serious infection. We understand it could be a matter of days where the infection could take over and emily could die. Reporter: Both then exit the restroom and walked out of the hospital. Emily wearing different clothing. Her father then driving them away in a black ford minivan. Police say they're searching in arizona, california, and getting help from the fbi in mexico. Law enforcement has to walk a fine line. If they're too threatening and the parents can disappear, the child's life can be in danger. Our heart goes out to 11-year-old emily. All we want is for her to try to get medical help. Reporter: For "good morning america," abbie boudreau, abc news, los angeles.
This transcript has been automatically generated and may not be 100% accurate.