A Longmont man on probation for sexual assault on a child was detained by Immigration and Customs Enforcement on Wednesday.

ICE officials on Friday confirmed Roberto Gutierrrez-Hernandez, 59, was detained and will remain in custody while he undergoes immigration proceedings.

Gutierrez-Hernandez, a native of Mexico, was convicted by a jury of sexual assault on a child following a trial in April, and was sentenced July 15 to 10 years to life and sex offender intensive supervised probation, according to court records.

“On Aug. 7, 2019, in Longmont, Colorado, deportation officers with U.S. Immigration and Customs Enforcement arrested Roberto Gutierrez-Hernandez, 59, a citizen of Mexico, who was convicted July 15, 2019, in the 20th Judicial District Court Boulder County of sex assault on a child,” ICE officials said in a statement.

ICE also said Gutierrez-Hernandez was previously encountered by immigration officials in 2000 after he illegally entered the U.S. at Columbus, New Mexico, but at the time he was granted voluntary return to Mexico.

Gutierrez-Hernandez’s son posted a video on Facebook of the arrest.

“My recommendation if you are an immigrant and have even a small ticket infraction, ICE has access to your records, be smart and stay safe out there, be aware of your surroundings an most importantly have a plan of action just in case something like this happens,” his son wrote in the post.

In the video, Gutierrez-Hernandez’s son can be heard asking agents about his father’s mediation while an agent gives him information on Gutierrez-Hernandez’s case.

Gutierrez-Hernandez’s son also wrote, “I confirmed that Boulder County is a sanctuary city and isn’t giving any information about immigrants to ICE. This video surely proves otherwise.”

While the city of Boulder declared itself a sanctuary city, Longmont decided not to make a similar proclamation.

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As for the county, the Boulder County Jail does not honor ICE detainers but is still required to divulge public information about release dates on all inmates, including immigrants.

Gutierrez-Hernandez had been in custody a the Boulder County Jail on bond during his case, but was released last month so he could begin serving his probation.

While Gutierrez-Hernadez’s son did not directly reply to requests for comment, he posted on the Times-Call Facebook page proclaiming his father’s innocence.

The District Attorney’s Office released a statement on the case.

“Our office prosecuted this individual for sex assault on a child. The investigators and prosecutors found the victim to be credible, as did the jury. We appreciated the jury’s service and we respect their guilty verdict. It was the right outcome in the criminal case.”