1.   An arrest warrant was outstanding for her estranged boyfriend, Leonard Saldana, on a previous family disturbance charge.

2.   And in Norwalk, Calif., an estranged boyfriend walked into a high school and shot his former girlfriend in late October.

3.   And in Norwalk, Calif., an estranged former boyfriend walked into a high school and shot his former girlfriend in late October.

4.   And in Norwalk, Calif., an estranged boyfriend walked into a high school to shoot his former girlfriend in late October.

5.   A young woman was murdered, her estranged boyfriend was accused of the crime, and the main evidence against him came from the DNA of a cat.