Police start national manhunt after 13-year-old, infant son kidnapped

September 2016 file video: Kidnapping charges were filed and a national manhunt started after Katherine Derleth, 13, and her infant son, Christopher Ray Derleth, were kidnapped, Madison County Sheriff's investigators and prosecutors said.
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September 2016 file video: Kidnapping charges were filed and a national manhunt started after Katherine Derleth, 13, and her infant son, Christopher Ray Derleth, were kidnapped, Madison County Sheriff's investigators and prosecutors said.