In the case that shook a nation, Amber Guyger became the first white female cop to be convicted for the cold-blooded murder of a black man armed only with ice-cream. As the story goes, she mistook his apartment for her own, trespassed into his house and lodged a bullet into his heart. As the beloved Botham Jean lay bleeding on the ground, a panicked Guyger made the call to 911. The audio has been released to the public, and she can be heard…