Doctors said to let a teen's sinus infection 'run its course,' family says. Weeks later, he died.
The video showed 13-year-old Marquel Brumley bundled up in a hooded coat, sluggish and slumped in his seat. He was holding somebody's hand, then loosened his grip and let go. "Get well brother," read a caption on the video, which his sister posted on Facebook last week.