On Saturday, Aug. 9, in a suburb of St. Louis, a police officer shot and killed Michael Brown. The death of the unarmed teenager sparked riots in Ferguson, reignited old controversies and exposed tensions in the community and around the country. Now, as police and protesters clash in Ferguson, President Obama has ordered Attorney General Eric Holder to lead an investigation. The following timeline offers a closer look at the events that have transpired since Brown’s death. Use the arrows to advance or jump to an event using the scrollbar at the bottom.