Recently Deputy Ray Montalvo and K-9 John with Harris County Precinct's 4 Constable Mark Herman’s Office graduated from the Harris County Sheriff’s Office K-9 Academy as a dual purpose K9/Handler Team certified in narcotics and patrol.

John and Montalvo graduated the academy with several other K-9 teams from the HCSO. The K-9 Academy consisted of 13 rigorous weeks that involved training in narcotics, obedience, tracking and apprehension. John and Montalvo are now on the streets protecting and serving the citizens of Precinct 4.