'I know, I did it': Teens bragged on Instagram about gunning down 12-year-old girl sitting on her couch amid beef with brother

The second of three Florida teens was convicted of the murder of a 12-year-old girl who was shot to death while sitting on her couch in her home after a school beef with her brother. The post 'I know, I did it': Teens bragged on Instagram about gunning down 12-year-old girl sitting on her couch amid beef with brother first appeared on Law & Crime.