The family says they were heartbroken to hear that Amber had gone missing, but that they had a feeling her husband, Mike, was responsible.
Both say they knew of her husband's abusive past, and that Amber had even warned them that he could cross the line.
The Christensen family says that while they wait to hear more from investigators, they say they will be proactive in helping other women get out of abusive relationships like Amber's.
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