NYC office shooter Shane Tamura left a note criticizing the NFL: 'Please study brain for CTE'

Source: Business Insider

Police put up caution tape near 345 Park Avenue as the NYPD investigates reports of a shooting. Barry Williams/New York Daily News/Tribune News Service via Getty ImagesMidtown officer shooter Shane Tamura left behind a note when he died. The note criticized the NFL and mentioned CTE, Business Insider has learned.