Find out what happened to Alisson Alvarez, 19, who went to use the bathroom at an Atlanta-area speedway while there for an event, to never return.

The highly divisive case has hinged on the prosecution's theory of jaded love turned deadly. The first Read trial ended July 1 in a mistrial due to a hung jury.

Among the many fireworks at the most recent hearing in the case of Karen Read, charged with killing her boyfriend John ...