The disappearance of 3-year-old Madeleine McCann gained worldwide attention, but 12 years later there’s still no trace of her. We investigate what really happened to her and if she could still be alive. Then, a serial killer posing as a photographer leaves behind pictures of his possible victims: Can social media help investigators identify who they are?

Emergency Resources

Drowning: How to Respond

It's critical to get the person breathing again as soon as possible.

Drowning can happen quickly. Three children die every day from drowning, and most fatal incidents happen from lack of appropriate supervision. Every minute that passes is critical in saving them or preventing serious injury. Here's what to do if you see someone drowning and you need to help rescue them.

Call 911

You should alert emergency responders as soon as possible. If there are other people around, instruct someone to make the call. If you are alone, help the drowning person until you can give CPR for one minute and then call 911 yourself (then continue life-saving measures).

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