MANKATO — Jennifer Nibbe was planning a tryst with a former boyfriend for days before she murdered her husband and attempted to make it look like the act of an intruder.
Texts Nibbe exchanged with her ex-boyfriend and a journal she started about a month before 26-year-old James Nibbe was found shot to death in their home south of Lake Crystal were included in court documents made public Tuesday.
The documents, including several previously unreleased investigator reports, were considered by District Court Judge Bradley Walker before he accepted a plea agreement that sent Jennifer Nibbe, 35, to prison until 2027.
The journal, which investigators believe was started by Jennifer Nibbe around Aug. 1, 2010, describes a marriage that was falling apart. She complains about a husband who isn’t contributing financially to the household, but has money for hunting and fishing trips. Another passage said he would make her feel bad for refusing to go camping with him, but wouldn’t agree to go to church with her.
Other entries talk about a former boyfriend and Jennifer Nibbe’s desire to meet with him for a sexual encounter.
“I miss him and fell in love with him so long ago that it hurts to bring these feelings back to the surface,” she wrote.
An entry dated Aug. 21, 10 days before she shot James Nibbe in the back of the head while he slept, revealed that she was planning a sexual encounter with the man. She had known the man most of her life and he was living in Lake Crystal with a girlfriend and their new baby. He would later tell investigators he was at home feeding the baby, something confirmed by his girlfriend, when James Nibbe was murdered.
The entry said the old boyfriend wanted Jennifer Nibbe to have sex.
“Can I control myself and say no,” Nibbe asked herself. “I don’t think so.”