Transcript for Madeleine McCann: Missing Girl Could Still be Alive
Matt gutman, thank you. NEW CLUES OF maddy McCann, she disappeared six years ago, scotland yard has launched a major new effort. And abc's muhammad lila is on the story. Reporter: On vacation when your little girl simply van ishs. New life into the investigation over the disappearance of madeleine McCann. Investigators are now me tick clously combing through cell phone records. Here's how it all works. The cell phone records show when phone calls were beingmade. What they don't show what people on the phone were talking about. Police in portugal obtained the phone records six years ago, and according to scotland yard, they didn't investigate properly. They're hoping to narrow down their current 41 people of interests. Tracing all of those people linking real people to the phone numbers you have going to be a significant challenge. Reporter: Last year, on britain's version of "america's most wanted" police released this photo of what she might look like today. She was just days away from her 4th birthday when she disappeared. Hundreds of heartbreaking, false sightings around the world. Muhammad lila, abc news, in london.
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