Police believe that Christian Clark, 21, was upset because she thought her boyfriend was sleeping with another woman.
A memorial sign that marks the place where 14-year-old Emmett Till's mutilated body was discovered in the Tallahatchie River in 1955 is again riddled with nearly 50 bullet holes.
Houston police charged a former Marine with the murder of a schoolboy. So far there's no motive for the slaying.