An 18-year-old swim team member drowned at a lake. 2 teens are now charged with evidence tampering – but a family wants more

By Holly Yan, CNN (CNN) — A young athlete’s death has been mired in mystery since he drowned in a Texas lake three months ago. Now, two teens who were with him have been charged with evidence tampering – fueling anger and speculation about what happened to Daniel Erving. The 18-year-old drowned in April at