A Mississippi woman who once sought to disguise a journey to join the Islamic State group as her honeymoon now plans to plead guilty to a federal terrorism charge.

Court papers show 20-year-old Vicksburg native Jaelyn Young will plead guilty Tuesday in Aberdeen, Mississippi, to conspiring to provide material support to a terrorist organization.

Young faces up to 20 years in prison, $250,000 in fines and lifetime probation.

Her fiancé, Muhammad Dakhlalla, pleaded guilty March 11 to a similar charge and awaits sentencing. Prosecutors have said Young, who converted to Islam while studying at Mississippi State University, prodded Dakhlalla into the plan.

Lawyers for Young didn't return a call seeking comment Monday.

The couple was arrested Aug. 8 before boarding a flight from Columbus, Mississippi, with tickets for Istanbul.