The Garda Siochana uniform worn by the official should have metal uniform insignia instead of the cloth ones shown. Perhaps the wardrobe department did not know how to obtain them.. A phone call to the Consulate or Embassy of the Republic of Ireland would have helped..
When Danny raced home to check on his family all the doors were unlocked and he ran through to the backyard. Not real safe leaving doors unlocked when there is a serial killer around.