. >> reporter: dora vasquez and maria olivarez are two legal immigrants from el salvador, living in houston. they wound up in the middle of this undercover sting because dora says she and her husband, a prison inmate, are being extorted. here's the story dora tells. for weeks, she's been getting bullying and unnerving phone calls at all hours of the day and night. the caller was a corrections officer with enormous power over her husband. and he was using that power to shake down dora's family for a $15,000 bribe. in return for the payoff, he said he could doctor prison records to get her husband out of jail almost immediately. he would be a free man ten months before his sentence was up. and the corrupt offer didn't end there. the jailer also claimed he could keep her husband from being deported by pulling i.n.s. paperwork from his prison file. dora says the corrections officer made it clear she had to pay no matter what. and if she didn't, there could be dire consequences. >> translator: i was thinking they could arrive at any moment and do something to us. >> reporter: dora, who doesn't s