According to a report in the Daily Mail, Cathy was found stabbed to death with her throat slashed inside her home on the Aliamanu Military Reservation on the Hawaiian Island of Oahu, on November 15, 2014.
The husband was the initial suspect but the investigation returned little evidence that would suggest the 36-year-old army media killed his wife.
But new evidence has shown that it was actually Jackson who wanted Cathy out of the way as local authorities have discovered that her death may be the result of a twisted love triangle.
At the time of Cathy’s death, Mike was reportedly having an affair with Lisa and she was reportedly living in the same neighborhood as the Walkers at the time of the murder. However, she’d recently relocated to Fort Wayne, Indiana, where she was arrested by FBI agents on April 26.
According to the three-page federal indictment, investigators have cited that the murder was 'premeditated and required substantial planning.'
"Ailsa ‘Lisa’ Jackson has been charged first-degree murder for the stabbing death of Cathy Walker. Jackson will remain in custody until she is extradited back to Hawaii.
Authorities have stated that Mike Walker is no longer a murder suspect. However, further investigation will determine whether or not he had knowledge of the crime prior to his wife’s death.
Since the murder happened on a military base, there is a possibility U.S. Attorney in Hawaii could seek the death penalty if Jackson is convicted."