The FBI arrested a woman in Indiana on Friday for allegedly killing an Army medic's wife last year in Hawaii.
Ailsa "Lisa" Jackson, 24, is suspected of stabbing 38-year-old Catherine Walker to death on the morning of Nov. 15, 2014. Catherine's husband, Michael Walker, found his wife's body in their home in the Aliamanu Military Reservation.
Authorities discovered that Jackson, who also lived on the base at the time, was romantically involved with the victim's husband.
According to court documents, Jackson allegedly stabbed Catherine to death in the neck and torso, an act that "required substantial planning," Hawaii News Now reports.
Michael Walker, who was an early suspect in the investigation, told police that he and his wife had argued the night before he found his wife's body, but that he hadn't caused her harm. It is unknown if or how much Michael Walker knew of Jackson's plans to attack his wife.
Jackson was indicted on a first-degree murder charge and will be extradited to Honolulu, having waived detention and identity hearings, according to the Honolulu Star-Advertiser.
Although the maximum sentence for murder in Hawaii is life imprisonment without parole, Jackson could face the death penalty because the crime occurred on a military base, which is federal property.
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