"We were shocked, we expected her to run," said Marian Weeks, the childrens' father's attorney, "We never expected her to do this."
Instead, the 42-year-old mother was charged with two felony counts of special circumstances murder on Monday. Edge is accused of murdering her 13-year-old son Jaelen who had autism and her 10-year-old daughter Faith.
Police say she then tried to kill herself by crashing her gray Honda Accord behind a shopping center in Costa Mesa Saturday. She tried to strangle herself with an electrical cord as officers smashed the car window and pulled her out.
Edge told authorities about her two children who she left at the Hampton Inn & Suites in Santa Ana.
"We went to the room and found two deceased kids," said Santa Ana Police Cpl. Anthony Bertagna.
Prosecutors allege Edge killed her children with poison. She was charged with sentencing enhancements including committing multiple murders and murder by poison on Monday.
Why Edge came to California remains unclear but court documents show what was happening over the past several years.
In 2004, Edge sued the federal government alleging her son developed autism after receiving a vaccination. The case was dismissed in March 2012 due to insufficient proof. Six months later, according to court documents, Edge moved her children from Georgia to Scottsdale, Ariz.
After Edge's former husband was granted weekend visitation rights, his attorney says she was not allowed to take the children out of state.
Edge was also ordered to pay nearly $800 a month in child support. The payments were set to begin in two weeks.
The ongoing investigation is being conducted by the Santa Ana Police Department.
The 42-year-old is expected to be arraigned Tuesday around 10 a.m. She faces a minimum sentence of life in state prison without the possibility of parole if convicted.