COLORADO SPRINGS, Colo. (CBS4) — A bride-to-be is accused of killing her fiancé while they were planning their wedding.

Jacqueline Souza, 31, told investigators she thought her fiancé, Brandon Watkins, was having an affair – and that he wanted to invite that woman to their wedding in Las Vegas, KKTV reports.

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The couple reportedly got into a fight about the invitation when they got home late Friday night after celebrating their upcoming wedding and Watkins’ new job.

Jacqueline Souza (credit: CBS)

According to arrest papers obtained by KKTV, Souza called 911 around 12:30 a.m. to say her fiancé was bleeding at their home near Powers and Dublin. When police got to the home, they found Watkins on the kitchen floor and a bloody steak knife on the kitchen table.

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Investigators say Souza’s details changed in her account of what happened as they questioned her.

She eventually told officers she was in a different room and found her fiancé with a knife in his chest, that she panicked, pulled it out and threw it onto the kitchen table, KKTV reported.

A friend of Watkins told KKTV the couple served together in the Army at Fort Carson.

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Souza is facing a second degree murder charge. She bonded out of jail Tuesday night.