Arizona Department of Transportation Live Traffic Operations operators monitor over 200 freeway camera's throughout the Phoenix Metro area, Thursday, Sept. 10, 2015 in Phoenix. Numerous shootings of vehicles along I-10 over the past two weeks have investigators working around the clock to find a suspect in a spate of recent Phoenix freeway shootings that have rattled nerves and heightened fears of a possible serial shooter. (AP Photo/Matt York)

Use Information This content is intended for editorial use only.
For other uses, additional clearances may be required.