"...and never the twain shall meet..."

"...Children who are abducted, when they're taken, are told one of the 'Three Ds,' " said Liss Hart-Haviv, Executive Director, Take Root who was abducted by her mother when she was 10. "They're told the missing family member is dead or disinterested, which can take different forms - they didn't love you, they abandoned you. The third D is 'dangerous.' that can take a variety of different forms - they were abusive, prostitutes. .."

In an article by Josh Belzman MSNBC,
Family abduction takes bitter toll on victims
Advocates say children pay a high price when parents take flight

Why would the NCMEC suggest “…it's not unusual for children to be found after such a long period of time, especially if they were taken in a family abduction. Often the children are cared for and the family unit is kept together, he said…” ?

In the above article by Josh Belzman they state “…While some parents flee with children to escape abuse, most do not have their child’s best interests in mind, said Ernie Allen, president of the National Center for Missing and Exploited Children….”

Which is it?