Why were police chasing Marshawn Kneeland — and what drove the Cowboys DE to pull the trigger in his self-inflicted death

Dallas Cowboys player Marshawn Kneeland died early Thursday. Police pursued his car after he failed to stop. The vehicle crashed, and Kneeland fled on foot. His girlfriend informed officers he was armed and had mental health issues. He sent a goodbye message before being found deceased. His mother’s death last year was also mentioned.