Nolan Wells’ death has sparked scrutiny and speculation. Here’s what’s happening with the investigation | CNN

Christine and Elmore Wonsley don’t sleep. They can’t, not since their 18-year-old son, Nolan Wells, first went missing. “This was our baby boy,” Christine Wonsley said, wearing blue to match Wells’ father, the couple tightly holding hands. “I birthed him.” Wonsley is now fighting for answers, so that she may find peace in knowing she did everything possible to uncover the truth behind her son’s death, she told CNN’s Victor Blackwell on Saturday. It’s been one week since Wells and his friends went on a Fourth of July trip to Horn Island — an uninhabited stretch of pristine wilderness off the Mississippi coast with no shelters, no facilities and no communications. His friends made it back home. Wells, a student and wide receiver at Southwest Mississippi Community College, did not. His body was found by a National Park Service agent face down in the water off the shoreline Monday morning. Now, many questions remain unanswered: Why didn’t he return on the boat with his friends? Why didn’t he have his cellphone with him? Was Wells involved in an altercation? Did he break off from his friends to speak with a girl on the island? While the Jackson County Sheriffâ€