SIOUX FALLS, S.D. (KELO) -- Melissa Peskey was a 40-year-old mother of two from Hartford. She was known as a realtor and a kind person who volunteered for the Children's Miracle Network. Peskey was shot and killed as she drove with her two children on I-70 in Missouri. It happened near the town of Boonville on the night of December 13th, 2018. She was on her way from South Dakota to South Carolina. She was struck by a bullet that came from outside the vehicle. She was on the phone with her sister before the shooting. Sioux Falls man accused of shooting a pickup 7 times "She said just a minute honey I'm going to put the phone down, so that way she could get around the car and then we started talking again and it wasn't two to three minutes later and she stopped talking," said Kara Peskey. Members of her family spoke with KELOLAND News in 2019. With very little evidence, the family wanted a way to encourage tips that could lead to the arrest of Peskey's killer. Initially, the family offered a reward of $10,000. It would later increase to $50,000. In 2020 the reward climbed to $75,000 And now, just 10 days from the 6 year anniversary of her death, a Facebook post announcing a $100,000 reward has appeared. Investigators in Missouri have followed hundreds of leads, but so far have not named a suspect or made an arrest. They tell us solving the case may depend on the right person coming forward with information. Tips can be reported to the Missouri Highway Patrol at 573-751-1000. Callers can leave tips anonymously.