It's likely to be a great success. Naturally, after the successful event the brothers gather for a celebration at a local night club. Your chapter provides no beverage alcohol, but individuals consume alcohol they purchase at the club. A friend of a member, who participated in the event, attends the party. He drinks too much and avoids the chapter's risk management procedures by sneaking off to his car and driving home.
Home is in a different town, twenty miles away.
Tragically, he is involved in an automobile accident and is killed. If such a thing were to happen, and we all know that it could, the family of the deceased is likely to sue for damages. They will want to hold someone accountable for the tragedy, that is someone other than the deceased, even if he is primarily at fault. Well, the club will be, but so will your chapter. It may surprise you to learn that several of your chapter's brothers could be sued as well, including the chapter president, the chairman of the charitable service event, the friend of the guest, even the chapter advisor.