He had already bought a plane ticket to Costa Rica the same day his mother died.Investigators found flight details on Devin Johnson’s phone, suggesting plans to leave the country after allegedly killing his mother. Johnson, 28, had a known history of domestic violence and substance abuse. Earlier this year, he was arrested for attacking her. On September 16, 2025, Rosemary Johnson was found stabbed to death in her home. Johnson fled in a gray Toyota, resisted arrest violently, and was later caught with blood on his shoes and vehicle. He now faces multiple charges, including second-degree murder. Her family is grieving a painful and sudden loss.

Investigators say 28-year-old Devin Johnson appeared ready to flee the country just hours after his mother’s violent death, deepening the sense of shock surrounding the case. Detectives uncovered flight details on his phone showing he had purchased a ticket to Costa Rica the same day his mother, Rosemary Johnson, was killed. 

Authorities believe this was a calculated attempt to escape prosecution after what they describe as a brutal act of violence inside her home.Rosemary Johnson was found stabbed to death on September 16, 2025, a discovery that left her family devastated and her community shaken. Court records reveal Devin Johnson had a troubling hi

story of domestic violence and substance abuse, including a prior arrest earlier this year for assaulting his mother. Prosecutors argue this pattern of behavior escalated into the tragic crime.After the killing, Johnson allegedly fled in a gray Toyota. Law enforcement tracked him down, but he resisted arrest violently before officers subdued him. 

Blood was later discovered on both his shoes and his vehicle, evidence that investigators say ties him directly to the crime scene. He is now facing multiple charges, including second-degree murder, resisting arrest, and evidence tampering.For Rosemary’s family, the pain of losing a loved one is compounded by the fact that her alleged killer is her own son. 

Friends and neighbors have described her as a caring, resilient woman who did everything she could to support her family despite challenges. Her sudden death has left a profound void in the lives of those who knew her.As the legal process unfolds, authorities stress that the case serves as a grim reminder of the dangers posed by unchecked domestic violence. The Johnson family now mourns a life taken far too soon, as they face the heartbreaking road ahead.