DAYTON, Ohio (WDTN) – Vipal Patel, acting U.S. Attorney for the Southern District of Ohio, announced the sentencing of a Centerville woman who collaborated with others to plan, execute and cover up the death of her ex-husband.

Tawnney Caldwell, 37, was sentenced to 35 years in prison for interstate stalking that resulted in the death of Robert Caldwell in Aug. 15, 2017.

According to court documents, around 6 p.m., Robert and his three young children left a counseling appointment in Riverside. While crossing the parking lot, Robert was shot multiple times in front of his children and died at the scene.

The DOJ said Tawnney Caldwell collaborated with others, including Sterling Roberts; his brothers, Chance Deakin and Christopher Roberts; Chandra Harmon (Tawnney’s mother); and James Harmon (Tawnney’s step-father), to plan, execute and cover up the violent crime resulting in the death of Robert Caldwell.

She and Robert were involved in an ongoing dispute over the custody of their children. According to prosecutors, Tawnney had talked to Sterling on at least two occasions while he was incarcerated about killing Robert.

Court documents show that Tawnney also worked with others Chance Deakin, Christopher Roberts, Chandra Harmon, her mother, and James Harmon, her step-father. Sterling is scheduled for a jury trial in U.S. District Court on March 7, 2022. Each of the other defendants has pleaded guilty in this case.