Montemayor, previously known as "Jane Doe, " was allegedly involved in one of the cases along with an unidentified man.

CNN: STORY HIGHLIGHTS

Thursday night, Letha Mae Montemayor, 52, was arrested outside a Los Angeles apartment building after law enforcement officials received multiple tips and located her, authorities said Friday.

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"Everyone was very scared and wanted to take their money away to the U.S. and Europe, " says Carlos Montemayor, chief of Marcatel, a Telmex rival in long-distance service.

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According to ICE, Montemayor was identified as a suspect through the tattoos and her facial appearance and was arrested less than 10 hours after the appeal for tips.

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Montemayor is expected to have an initial court appearance Monday.

CNN: STORY HIGHLIGHTS