The husband of Ana María Knezevich Henao, who went missing in Spain in February, was arrested by the FBI at Miami International Airport and charged with kidnapping in connection with her disappearance.

Knezevic Henao, a 40-year-old Colombia native and naturalized U.S. citizen, was reported missing Feb. 2 in Madrid, according to Spanish police. 

Friends and family previously told NBC News that she had relocated to Madrid amid a difficult separation from her…