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Prosecutors said the pair were arrested in February after Facebook reported that a user uploaded suspected child porn. During the investigation, authorities identified 25 possible victims ranging from 8 months to 14 years old, the news release said.
Authorities said the Almaguers were the legal guardians of at least one victim. Other victims included members of their church and kids they baby-sat, prosecutors said.
"These are two of the most wicked criminals in Texas history," U.S. Attorney John F. Bash said in a statement.
In addition, a federal judge on Wednesday sentenced Christopher Almaguer's brother, Paul Perez Jr., 25, to 20 years in prison after he pleaded guilty to receiving child pornography, prosecutors said. He also must pay $10,000 to the victims' fund and will be supervised after his release.
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– The Associated Press contributed to this report.