DALLAS – A woman pleaded guilty to hitting and killing a Dallas police officer in a wrong-way crash in 2022, according to a new court filing. Mayra Rebollar Pineda, 33, was sentenced to 15 years in prison two years after she struck Officer Jacob Arellano, 25, on Spur 408 where he was driving to work at the Northwest Patrol Division late Tuesday night Oct. 12th, 2022, WFAA previously reported.