police say michael korvin went in, he is pointing at the clerk demanding cash. the clerk wrestles it away. a customer slammed him to the ground. the customer and the clerk sat on the suspect until police arrived. >> goodness. 4:50. if you have been thinking about installing surveillance cameras, police can help. the police department teaming up with the neighborhood to provide residents with information about using camera. the workshop will be tonight from 6:30 to 8:30 in the classroom in city hall at 3300 capitol avenue. >> pg&e will demonstrate cutting edge tool to find out the condition of natural pipe lines. this is video of smart pig. it can make it around tight bends and turns and send back data about the pipe line's condition. pg&e stepped up the pipe line safety effort since the pipe line explosion in san bruno in 2010. i had to look it up. they call them pigs because they squeal. according to wikipedia. >> still ahead on "today in the bay," an unusual sight for spring training. we'll show you josh's efforts. >> 880 moves past the oakland coliseum. slick