Castro, 22, is charged with second-degree murder. Deputies said he and Ruiz knew each other, and the shooting was not random.

Emily Ruiz, 20, was shot and killed in Naples on Wednesday. Collier County authorities have arrested Gael Garcia-Castro in connection to the murder.

The witness told deputies that as he ran away with Garcia-Castro, the 18-year-old said he only meant to scare Ruiz. Two ...