A Louisiana sheriff's deputy is facing child porn and principal to first-degree rape charges after police said he filmed a woman sexually assaulting a 1-year-old boy.

According to WBRZ-TV, St. Gabriel police arrested Iberville Parish sheriff's Deputy Shaderick Jones, 42, late Friday after another woman told officers that she had received the disturbing video on Facebook. Jones also was fired from his job, authorities said.

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Authorities said Jones filmed the cellphone video Thursday afternoon at the home of Iyehesa Todd, 26, about a half-hour after his shift ended, the Advocate reported. The clip shows Todd performing a sex act on the baby, police said.

Todd, who was arrested Saturday on first-degree rape and incest charges, told authorities that Jones coerced her into the sexual assault, telling her that if she fulfilled "his fantasy," he wouldn't arrest her on a traffic warrant, according to St. Gabriel police Chief Kevin Ambeau.

"In my 16 years as the chief of police, I have not seen anything more disgusting and sickening in my life," Ambeau said, according to WBRZ.

No bond has been set for Todd and Jones, who also was charged with malfeasance in office, WAFB reported.

The child has been placed in a relative's care, authorities told WBRZ.

– The Associated Press contributed to this report.