From betrayal to rage to cold-blooded murder, these are the shocking stories of 10 US military service members whose legacies turned criminal and whose lives now play out behind bars. One, Rita Maize, the killer nurse of Clarksburg, Virginia. Rita Maize wasn't on the front lines. She was behind the nurse's desk. A former National Guard member turned a VA hospital assistant. Maize was trusted to care for elderly veterans. Instead, she became a silent killer. From 2017 to 2018, at least seven veterans died under her watch due to insulin overdoses, none of them diabetic. Her motive unknown, her actions calculated. In 2021, she was sentenced to seven life terms plus 20