And Timothy McVeigh was a US citizen. And his accomplice from Kingman, AZ (forget name) is now out of jail.
You can't prevent Americans from committing crimes, but you can prevent non-Americans from entering the country ILLEGALLY - certainly a lot better than we're doing now.
So?
Because we have some criminal citizens, we should allow criminals from other countries?
Typical Liberal debate tactic, excuse one negative with another.