The Brief Authorities say license plate reader cameras helped locate suspects in a Daytona Beach homicide and rescue a kidnapped 13-year-old in Marion County. License plate reader cameras are being credited with helping law enforcement quickly locate suspects in two recent Central Florida cases. Local perspective:Authorities said license plate reader, or LPR, cameras helped Titusville police track 54-year-old Robert Reyes Jr. after investigators accused him of fatally shooting his estranged wife, Jacqueline Reyes, at her Daytona Beach home. After a citizen spotted Castillo's vehicle, deputies used license plate reader technology to track it, leading to a pursuit and an officer-involved shooting in which Castillo was killed. Despite those cases, license plate reader systems remain controversial.