This was posted on the National Paintball League's Facebook page:
The National Paintball League expresses our deepest condolences to the affected families in Sioux Falls, South Dakota. We regret any incident that results in injury or loss of life. Even-though this tragedy reportedly did not take place during a paintball sporting event, we ask that all players act diligently to prevent future incidents from occurring. Players should enjoy a good spirited yet highly competitive experience and should seek professional assistance to resolve any adverse situations; bottom line – leave it on the field.
CORRECTION: PAINTBALL ARGUMENT-SHOOTING STORY. Police say the argument was between the accused shooter and a third teenager in the house who witnessed the shooting.