Last Updated Aug 11, 2015 2:24 PM EDT
JACKSON, Mississippi - The would-be blushing bride and groom sat in a Mississippi courtroom Tuesday, side-by-side, facing charges that they tried to join the world's most notorious terrorist organization.
Criminal charges filed Saturday say Jaelyn Delshaun Young, 20, and Muhammad Oda Dakhlalla, 22, were arrested that morning at a regional airport near Columbus, Mississippi, allegedly on their way to join jihad.
Officials say the couple were trying to travel to Syria to join the Islamic State of Iraq and Syria (ISIS.) And they claim it was the 19-year-old Young who was the mastermind behind the plot to do so, which involved getting married and pretending to be on a honeymoon to get there, reports CBS affiliate WJTV in Jackson.
Both are officially charged with attempting and conspiring to provide material support to a terrorist group. An affidavit by an FBI agent says both confessed their plans after their arrest.

Muhammad Oda Dakhlalla at left, and Jaelyn Delshaun Young, in undated photos WJTV
At a second hearing Tuesday in the case in Federal Court in Oxford before U.S. Magistrate Judge S. Allan Alexander, it was unveiled that on social media sites, Young expressed her happiness about the recent shooting in Chattanooga where five service members were killed, reports WJTV.
Judge Alexander denied them bail, saying that even though the pair have never been in trouble with the law and have relatives willing to oversee their home confinement, their desire commit terrorism is "probably still there."
Urging the court to keep the suspects in custody, Assistant U.S. Attorney Clay Joyner likened them to Boston Marathon bomber Dzhokhar Tsarnaev, saying that like him, they could commit violence with knives, vehicles or homemade weapons.
"They don't need a gun to do harm," Joyner said. "They don't need military training to do harm. What they need is a violent, extremist ideology, and that's exactly what they have espoused."
FBI agents arrested them at a Mississippi airport, filing criminal charges that both were attempting and conspiring to provide material support to a terrorist group, a federal crime punishable by up to 20 years in prison and a fine of $250,000.
The court papers say both Young and Dakhlalla are U.S. citizens. Mississippi State University spokesman Sid Salter said records show Dakhlalla graduated in May with a bachelor's degree in psychology. Salter said Young was enrolled until May as a sophomore chemistry major but had not enrolled for classes since.
Dakhlalla's relatives are "absolutely stunned" by the arrest and have been cooperating with the FBI, said Dennis Harmon, an attorney representing the family.
Dakhlalla is the youngest of three sons and was preparing to start grad school at Mississippi State University, Harmon said. The attorney also said the man's father, Oda H. Dakhlalla, is imam of the Islamic Center of Mississippi in Starkville.
WJTV reports Young is the daughter of a Vicksburg police officer.
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