A narcotics investigation conducted by the Manchester Township Police Department Detective Bureau led to the execution of a court authorized search warrant early this morning.  The investigation yielded one arrest for possession of marijuana and possession of drug paraphernalia.  Arrested was Shawn Terrell Johnson (age 29) of Kent Road which is located in the Whitney Estates section of Manchester Township.  Shawn Johnson was charged with; Possession of Marijuana less than fifty grams and possession of drug paraphernalia. Shawn T. Johnson was released on a summons after being processed for his arrest at Manchester Police Department.  Assisting with the search warrant execution were K-9 Units from the Ocean County Sheriff’s and the Ocean County Regional S.W.A.T. Team.