Ten weapons found at Hong Young 's house in Beltsville , Maryland . 35-year-old arrested after five public places targeted in 2002 . Most recent shooting was at National Security Agency headquarters . Other targets include a shopping complex , Walmart and a truck . Mirrors Washington attacks where ten died from 'sniper ' shootings in the last week .
Ten weapons found at Hong Young 's house in Beltsville , Maryland . 35-year-old arrested after five public places targeted in the last week . Most recent shooting was at National Security Agency headquarters . Other targets include a shopping complex , Walmart and a truck . Mirrors Washington attacks where ten died from 'sniper ' shootings in 2002 .