A case out of New York has shown how immigration officials can prey upon immigrants for green cards and administrative measures. The arrest of Isaac R. Baichu, 46, an adjudicator for the United States Citizenship and Immigration Services, was particularly enlightening due to a recording made of his threats against a married Colombian woman that if she did not give him sexual favors, he would cause trouble for her and her family.

Baichu was hardly subtle about his power or interests. In the interview in front of her husband, Baichu asked the wife for her cellphone number. He then began to call to coerce sex.

The calls from the agent started three days later. He hinted, she said, at his power to derail her life and deport her relatives, alluding to a brush she had with the law before her marriage. He summoned her to a private meeting. And at noon on Dec. 21, in a parked car on Queens Boulevard, he named his price — not realizing that she was recording everything on the cellphone in her purse.

“I want sex,” he said on the recording. “One or two times. That’s all. You get your green card. You won’t have to see me anymore.”

She reluctantly agreed to a future meeting. But when she tried to leave his car, he demanded oral sex “now,” to “know that you’re serious.” And despite her protests, she said, he got his way.

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