Father of Two Has Brain Injury After Unprovoked Attack in San Francisco

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A single blow to the head knocked Christopher Mathews to the ground, leaving the father of two with a traumatic brain injury and no certainty of when he would fully recover.

Mathews, 39, was on a rare couple’s night out in San Francisco with his wife Rebecca, 38. The couple was waiting at the intersection of First and Howard streets for a car they had called for via Lyft, a ride-share service.