In the TV show, True Detective season 3, episode 4~5, Brett Woodard, while being chased by his fellow town folks, runs home and sets up several traps with grenades and a claymore anti-infantry mine.
Brett also shoots several people dead with an AK47 and M14.
Brett is a veteran of the Vietnam war, but does it mean that he can bring home any weapons he wants from battle field? It is not hard to detect hand grenades and claymore mine and automatic rifles at the airport.
How does he manage to bring home those weapons?