BY MATTHEW ALBRIGHT | Staff writer Investigators are continuing to piece together what happened when gunfire rang out at the Port Allen-Brusly football game Friday night, killing a Brusly High student and wounding a bystander. On Tuesday, the sheriff and DA's offices announced that three more people had been arrested in connection with the shooting. And the suspected gunman is now charged with firing a machine gun. Here's what we know. LSU football fans are asking: What went wrong? The Tigers entered the season with a ton of hype, ranked #5 in the country. But then they were beaten — soundly — by Florida State. Our sports staff is here with all the analysis you're looking for: Inside the red zone woes that left points on the boardHow the running game petered outHow the defensive line ran out of gas in the second halfThe Mississippi River does not like to sit still. While we think of the Father of Waters as an immutable part of the landscape — and our economy — it has meandered all over Louisiana over the millenia. A complex of dams, locks and levee miles upriver from Baton Rouge is what keeps the waters flowing the way our region needs it to. But that series of structures is aging, and it may be time for a massive repair project. Here's what that might look like. | 