The title refers to an assertion that in the world of human trafficking, human life is so cheap that a child can be bought for six bullets.
Although the movie depicts the situation in Moldova in Eastern Europe and the action is set to take place in Moldova ironically not a single scene was shot in Moldova.
In reality, you cannot pull the pin from an M37 fragmentation grenade, or any grenade for that matter, with your teeth. Your teeth would come out before the pin would.
Both of the actors who portray the kidnapped daughter's parents also played prominent characters in the Stargate universe. On Stargate: Atlantis, Joe Flanigan played Lt. Col. John Sheppard, the highest ranking military officer in Earth's expedition to the Ancient city-ship of Atlantis. On Stargate: SG-1, Anna-Louise Plowman played Dr. Sarah Gardner, a former flame of Daniel Jackson and later host to the Goa'uld system lord Osiris.