An Upper Makefield mother was sentenced to life in prison after pleading guilty to the murder of her two sons, according to the Bucks County Distrct Attorney's Office. Trinh Nguyen, 40, pleaded guilty to two counts of first-degree murder and one count of attempted murder on Wednesday. She was sentenced to two life terms without parole for killing her sons and 10-20 years for the attempted killing of her neighbor — the maximum sentence for the latter. The sentences will run consecutively.