Police announced the identity of the driver they say intentionally injured an officer during a crash in Lindenhurst. 

Police say Christian Castillo rammed into multiple police cars and an officer who was on foot earlier in March. 

The 20-year-old then fled the scene, according to police. 

Police are now asking for the public's help to find him. 

The officer suffered injuries not considered life-threatening. 

A reward of up to $5,000 is now being offered for information that leads to an arrest.