Red light/green light

The city's controversial red-light traffic cameras issued 46,000 tickets last year. CJ. Lin in the Daily News.

And it only took all of four police officers

sitting at a few computer monitors to run the system.

Just one of the officers manning the computers at the Los Angeles Police Department's Photo Red Light Unit can do the equivalent work of some 100 out on the streets, according to Sgt. Matthew MacWillie, who oversees the program.