Flagler County jury convicts woman in high-speed crash that killed boyfriend

A Flagler County jury found Leigha Mumby guilty of vehicular homicide and reckless driving with serious bodily injury following a two-day trial.The February 2025 crash on Interstate 95 left Mumby’s boyfriend, Daniel Waterman, paralyzed from the neck down after suffering a broken neck. Waterman later died Oct. 8, 2025, from pneumonia.[RELATED | Family seeks justice for man, custody of unborn child after he died while recovering from a car crash]Prosecutors say Mumby was arguing with Waterman while driving more than 100 mph on I-95 on Feb. 9, 2025. Investigators say she was traveling 94 mph when she suddenly turned the steering wheel to the left, causing the vehicle to veer off the highway and crash into several trees.“This demonstrates our commitment to taking on complicated cases involving technical subject matter,” State Attorney R.J. Larizza said.“Accountability breeds justice — and this case exemplifies our mission to make justice a reality for our victims, our families and our comm