The Silver Hood by Justin Richman
When neurotransmitters flood the left side of Devin's brain after a horrific car accident, they alter his brain's structure, giving him a unique ability. As a result, Devin has been thrust into the world of vigilantism, hiding his identity under a hood to help stop the crime that's been spreading through the city like a cancer. Someone is behind the massive surge of crime and it's up to Devin to figure out who they are, before they figure out who Devin is...