Phoenix police are investigating a drive-by shooting in South Phoenix. One person is dead and three others are wounded.

Police are looking for the man -- identified as Arthur D. Harmon -- who allegedly shot three people in a north Central Phoenix office complex Wednesday morning, killing one and injuring several. The shooting took place on the same day that hearings on legislation to address gun violence were convened in Washington, with former Arizona Rep. Gabrielle Giffords testifying for stricter gun controls. 

Two experts discuss the legal process behind capital punishment as well as misconceptions and concerns while handling capital trials.

A father and two of his sons are believed to have shot a federal agent in Texas. 

GILBERT, Ariz. (Associated Press) — Five people died in a shooting Wednesday at a Phoenix-area home, where the investigation was slowed by concerns there could be hazardous materials in 55-gallon drums in the backyard.