The Brief The Montgomery County Precinct 4 Office issued a statement regarding a social media video of a K9 and its handler. The Montgomery County Precinct 4 Constable's Office has issued a statement in response to a social media video regarding one of their K9's. Montgomery County K9 video: Constable's Office respondsWhat we know:The Precinct 4's Office is responding to a video on social media of a K9 handler who is seen striking his K9 partner during an arrest. Officials say the social media video showed a K9 handler "correcting his partner." The statement goes on to say the flank is a common "control method" used by K9 handlers in law enforcement.