(Leonardtown)- A 16-year-old boy has died following a trooper-involved shooting in St. Mary’s County. Maryland State Police were called to a home in Leonardtown yesterday afternoon for reports of someone who was possibly armed with a gun. Police say the young man pointed a replica handgun and a knife at a trooper. That’s when the trooper opened fire, wounding the suspect. He died a short time later at the hospital.