After divorcing her husband, Shellane Green spent the next two years living in fear. There were constant phone calls and texts from her ex. He followed her around, waited outside her job and slashed her tires. He broke into her house and threatened her family. Eventually, he killed her.

January is National Stalking Awareness Month, and Brittany Jackson wants to share her mother’s story with the hope of saving others from the same fate. Stalking is not just a nuisance, she said, it can be deadly. “It led to my mother’s murder. It was a very scary situation, but we didn’t know that it would lead to this,” she added.