HOUSTON --An Iraqi refugee arrested on terror charges is innocent, his wife insisted in an interview with CBS affiliate KHOU.

Federal prosecutors accuse Omar Al Hardan of providing support to the terror group ISIS. He appeared in a federal courtroom in Houston Friday morning.

Another Iraqi immigrant who authorities say Al Hardan communicated with on social media, Aws Al-Jayab, was arrested Thursday in Sacramento.

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Court papers say Al-Jayab traveled to Syria in 2013, "took up arms with terrorist organizations and concealed that conduct from immigration authorities" when he returned to the U.S. the following year.

Al Hardan and his wife, Haenne Al Kokiss, live in a small Southwest Houston apartment with their 10-month-old son and his parents.

"I'm so bad. I'm sick. I can't sleep, I can't eat because my husband is in jail," 18-year-old Al Kokiss told KHOU. "I need my husband here with me. I can't."

She was adamant that her husband, who works as a limousine driver, has no ties to terrorism.

"He loves America. I love America too. He was so happy because he came to America," Al Kokiss said. "He loves America too much. I love American too much."

Al Kokiss said the FBI seized their computers and phones Thursday when they arrested her 24-year-old husband. She doesn't believe they will find any evidence.

Al Hardan's brother, who had a falling out with him six months ago, said he was shocked to learn about the arrest.

"My family, everyone in my family doesn't like ISIS. I don't like ISIS. Why? Big problem ISIS," said Saeed Al Hardan.

The entire family came to the United States as Iraqi refugees. Federal investigators say Al Hardan was radicalized after he arrived in 2009.