suspects caught in covina hills home invasion murder

In Southern California, four teenagers are in custody and a fifth suspect is being sought in connection with the fatal shooting of a Covina Hills woman in her home as she called 911: 5th suspect still sought in slaying of Covina Hills woman.

45-year-old Hsiao Hsu, a mother of two, was shot at about 11:40am on March 19 while reporting a burglary. The dispatcher heard two shots as assailants chased Hsu through her gated, high-security mansion. It looks like it was simply a burglary gone wrong.

Los Angeles County sheriff's investigators have arrested 19-year-old Christopher Santana, and three high school students, a boy and two girls. All four were arrested May 16 and have been charged with murder as adults. Investigators believe one of the boys shot Hsu and the girls drove a getaway car.

Investigators are still seeking a fifth suspect, Victor Manuel Maurtua, 19, of Baldwin Hills. Maurtua, a member of the El Monte Flores gang who is known as "Lil Tiny," is 5 foot 5 and weighs 140 pounds. According to authorities, he's considered armed and dangerous. More here: Suspect Photo Released In Slaying Of Woman On Phone With 911.