Teen Predator/Online Killer
How does a Northern Irish teen become one of the world's worst online child sex abusers? Victims, families and police share how catfish killer Alexander McCartney was caught.
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Seasons & Episodes
1. Uncovering a Predator
Twenty-year-old Alexander McCartney from Northern Ireland is questioned by police after a 12-year-old girl in Scotland reports serious catfishing online.
2. A Race Against Time
A huge discovery on McCartney’s devices triggers an international investigation as the race to identify thousands of victims across the world gets under way.
3. Justice
Homeland Security discovers an obituary page for a 12-year-old girl in West Virginia. Police in Northern Ireland connect the death to McCartney, opening a manslaughter investigation.