“Teen”
“teen”
Probably his mother will say he was mostly a good boy, except while he was trying to maim and kill someone. Then not so good.
Yes, "teen" alright. More specifically per article: "Manchester teen".
That is sort of like "Minnesota man", as in "Minnesota man arrested in terrorist plot".
Yes, Nghia Le, wasn't he named after one of the characters in Robert Frost's poems in "North of Boston"? Good yankee stock.