Twenty-year-old Cheari Edwards and her 23-year-old boyfriend Deandre Dunnaway are charged with murdering their Rally's co-worker Alphonso White and his brother Michael Johnson.
Virginia Beach police say the couple planned to rob Alphonso at closing time in January, but they say Dunnaway shot the brothers while Edwards packed up the money.
Edwards' defense attorney says her video taped confession during an interview with detectives shouldn't be used at trial.
Detectives brought Edwards in for questioning days after the murder, but they didn't place her under arrest until after she made incriminating statements.
NewsChannel 3 viewed early portions of the nearly 12-hour long video. In it, Edwards is seen holding her pregnant stomach and sleeping on the floor while detectives bounced back and forth between questioning her and Dunnaway.
Edwards' attorney takes issue with how long the interview went on and when detectives read her Miranda Rights.
The judge could decide to throw out all, some or none of the video taped confession.