19 year old shooter? I do not think it is legal in Maryland for teenagers to have firearms. Shirley the reporter er journalist is mistaken about his age.
MARYLAND FIREARM Restrictions listed here:
Maryland
Updated as of Friday, April 26, 2013.
STATE CONSTITUTIONAL PROVISION
Maryland has no constitutional provision granting a right to bear arms.
http://www.nraila.org/gun-laws/state-laws/maryland.aspx