MUNCIE, Ind. -- A source has told 6News' Jack Rinehart that authorities are questioning a person in connection with a series of sniper shootings on interstates 65 and 69 Sunday morning that killed one man and injured another. A source familiar with the investigation told 6News Tuesday morning that Bureau of Alcohol, Tobacco, Firearms and Explosives investigators and the Delaware County Sheriff's Department are interrogating a 17-year-old who lives in Delaware County in connection with the shootings. More at link