MOBILE, Alabama – One minute the son of a prominent Alabama judge was rolling a marijuana cigar on his couch; the next he was shotgunning the mother of his infant child to death, a detective testified on Wednesday. With a packed courtroom listening intently, Prichard Police Cpl. Robert Martin chronicled an eye-witness account of how Richardson Johnson Kennedy, 22, allegedly killed Tylandria Rivers over prescription pain medicine. According to Martin, the only other person at the Jarrett Road home near Prichard Municipal Park on July 6 told police the defendant was "rolling a blunt" in the living room of the...