A Baton Rouge man who was engaged to be married was arrested after police say he stabbed his fiancé e to death in their home on Saturday morning and then briefly tried to hide the evidence.

William Jackson, 40, told officers arriving at 3023 Courtland Circle that he killed Lekeisha Duncan, 32, after an argument, said Cpl. Don Coppola, a Baton Rouge police spokesman.

Before the admission, Jackson first tried to hide any evidence that might link him to the stabbing, according to the affidavit of probable cause. He had apparently changed out of a bloody shirt, washed the knife in the kitchen sink and then threw the knife into the kitchen trash can.

Duncan was pronounced dead at the scene, while Jackson was taken to the hospital for minor stab wounds all over his body.

On Wednesday, more than four days later, Jackson was released from a local hospital and booked into Parish Prison on counts of second-degree murder and obstruction of justice.

Jackson’s neighbor Letisha Harris, 34, said on Saturday that the couple often fought verbally and that police had already been to their house several times before the stabbing. But, Harris added, she had never seen any evidence of physical fights.

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