FORT BEND COUNTY, Texas (KTRK) -- Eight months after Fort Bend County Sheriff's Office Deputy Kenneth Lewis, 51, was hit and killed on the Katy Freeway, the person responsible was sentenced to 12 years in prison.

Officials confirmed that Dennis Arguella-Acosta, 22, accepted a plea deal in the case and was charged with failure to stop and render aide involving death in the Feb. 21 crash on I-10 near Eldridge Parkway.

RELATED: Fort Bend County deputy dies after hit-and-run while helping stranded driver on I-10, officials say According to police, around 3:40 a.m. Deputy Kenneth Lewis was driving home from extra duty, when he pulled over to help a stranded driver.