An Omaha woman who was convicted in the death of her boyfriend was sentenced to prison. Alyssa Roman pleaded no contest to manslaughter in July for the death of Alan Crister.PREVIOUS COVERAGE: Omaha woman accused of killing boyfriend takes plea dealCrister was found shot in the head at a home near Hanover Circle and Mormon Bridge Road in 2023.A judge sentenced Roman to 6 to 8 years behind bars.She will get credit for 629 days already served.NAVIGATE: Home | Weather | Local News | National | Sports | Newscasts on demand |