Transcript for Protesters asks for answers in Chicago teen found dead in freezer
Tonight Rosemont erupting in protest demonstrators blocking river road. Snarling traffic in this bustling hotel district. We got. Out we. How while at the mark but that's true. Protesters blocked from entering the crown Plaza Hotel where nineteen year old Kinney KJ Gaines was found dead Sunday morning. Her body discovered in a basement walk in freezer after attending in ninth floor birthday party where drugs and alcohol were reportedly consumed. My concern is dead it was possibly foul play I think doesn't everybody concern is it was a positive outlook on a death. Tonight few answers no ruling on cause of death as the medical examiner awaits toxicology results. Police say the reviewing video from 47 hotel cameras as well as video from social media. And they've interviewed a dozen witnesses. The case itself is complex enough we just need to limit residences authorities do their work. And didn't get to the bottom of what happened tonight police trying to calm the crowd we're getting it from me. This is going to be a complete investigation. But some remain skeptical that huge target on its riots and about what really happened technique. And then that you give this man wrote. You'll probably don't nightmares to ethnic day.
This transcript has been automatically generated and may not be 100% accurate.