An Omaha woman has pleaded guilty to second-degree murder in connection with the stabbing death of a Bellevue man last year.

Alisia C. Cooke, 28, changed her plea in exchange for the Sarpy County attorney agreeing to amend the charge against her from first-degree murder. Charges of robbery, conspiracy to commit a felony and use of a deadly weapon to commit a felony also were dropped.

Cooke will be sentenced Sept. 9. She faces 20 years to life in prison.

Cooke is one of four people arrested in connection with the death of Brent Quigley, 39. He was found dead June 26 inside his home near 42nd and Harrison Streets.

During a preliminary hearing, a Bellevue police officer said Quigley had arranged to pay for sex with Cooke. Detective Roy Howell said officers found Quigley lying near his front door with at least 20 stab wounds.

During an interview, Cooke told detectives that a plan was hatched to rob Quigley of money and drugs. Once Cooke was inside the home, she told police, she accompanied Quigley to a bedroom, but then found a pretext to leave and unlock the front door. The plan, she said, was to rob Quigley and pistol-whip him, but he was killed when he tried to flee.

Three other people — two men and a woman — also have been charged in the case. Christopher J. Reagan, 46, and Raymond T. Davis, 29, both of Omaha, are charged with first-degree murder, use of a weapon to commit a felony, robbery and attempted robbery.

Krystal R. Martin, 21, of Hawk Point, Missouri, is charged with being an accessory to a felony.

Trial dates have been set for all three defendants. Cooke has agreed to testify against the three.

Kevin Cole covers Omaha crime and public safety news. Follow him on Twitter @KevinColeOmaha. Phone: 402-444-1272.

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