than the earthquake waves. it would give a few precious seconds, up to a minute warning. this system is being tested in the bay area and during the napa quake it gave a ten-second warning. slowing and stopping trains. that s a pretty obvious one. in port areas, container onloading and offloading may be another way to make things safer. and construction sites. tower cranes could be put into a safe position. reporter: it would take hundreds of reporting stations spread out to monitor all earthquakes. this gives us a chance to get out ahead of the curve. do something before the big earthquake strikes. save lives. save property. reporter: carlos granda reporting for abc news. able to do it for your devices, mobile devices. weather radio to send out an early warning system so people are aware. seconds matter. a chance to get up from where you are sitting and get into a safe spot. we ll see. also coming up here, we ll tell you about one of the biggest names in radio that you ha
reporter: carlos granda reporting for abc news. so 600 pictures. and those new photos were found at an l.a. pharmacy s photo printing database. what happens if you re the developer of those photos and you come across these pictures? you have to report them. i assume there s a legal and moral obligation certainly to report it. and it doesn t stop there. detectives say a teacher s aide wrote love letters to fourth grade students. and complaints about those letters were apparently disregarded. a parent of one of the kids found the letters nearly three years ago. so this has been a year s long situation at this school that s now just bubbling to the surface. who knows what else they could find at this point? well, overseas now the white house is debating what to do about syria. where the government s war against civilians is growing exponentially worse. syrian troops launched their fiercest assault yet on the city of homs. at least 50 were reported killed on wednesday, including so