FORT MEADE, Md. (AP) — A person believed responsible for shootings along highways over the last two weeks in the Baltimore-Washington area, including shots that damaged a National Security Agency building, is in custody, the FBI said early Wednesday. The FBI believes the person in custody is responsible for shootings along Maryland highways, including one near the Fort Meade Army installation, which is home to the NSA, FBI spokeswoman Amy Thoreson said in a statement. She said no other information was available early Wednesday.