Transcript for Amber Alert Issued in Colorado; Search for Jessica Ridgeway
We're going to start with an amber alert in colorado. The fbi has joined the search for jessica rodriguez, last seen leaving for school yesterday morning. She never arrived. Clayt clayton sandell is on this story. Clayton? Reporter: Good morning to you, dan. 50 police officers, including the fbi, are search right now, overnight using bloodhounds in temperatures that near freezing. And no sign of jessica. A desperate search under way for a 10-year-old last seen nearly 24 hours a ago. The last time anybody saw jessica was 8:30 friday morning. She left to walk three blocks to meet friends for a walk to school. A route she did every day. But she never got there. When jessica didn't show up for class, the school called her home. But jessica's mother, who works the overnight shift was asleep. She didn't get the message. That delayed her calling police for nearly eight hours. When we start with a delay as substantial as this, the distance she could have wandered even on her own, it just gets huge. Reporter: Police say jessica's weather, who lives out of state, is in a custody battle with jessica's mother. They do not believe jessica can with him. But are not ruling anyone out. We don't have a person of interest. And we're going to look at every angle. We're going to look at every angle multiple times. Reporter: Police are searching vast areas of terrain, including fields and lakes. Bad weather kept search helicopters grounded. But 150 volunteers turned out to help. Nothing like this has ever happened. It's always surprising when something happens here. Reporter: When the sun comes up, police say they will be bringing in even more people to help search for jessica. They're also hoping for a break in the weather so they can get helicopters up to search from the sky.
This transcript has been automatically generated and may not be 100% accurate.