people and the administration will replace the shelter with rotating warming stations that only open unextreme weather conditions. some supervisors are pushing the administration to find a replacement shelter in palo alto, mountain view or sunnyvale. the board meeting is underway at 9:00 in san jose. >> in the south bay, santa clara county supervisors will consider a proposal to have the sheriff patrol san jose city streets. for areas, the san jose police department has had trouble recruiting and keeping officers and would pay the county with unused police payroll money. if the supervisors approve the idea they have to report back on the likelihood of the plan working in two weeks. >> a year ago today the boston marathon bombing changed the lives of runners and spectators and the city and the nation. tributes held to mark the anniversary. aa 12-year-old from martinez many surgeries. >> good morning, katie marzullo, from boston, a year ago, terror struck but it did not shake the spirit. the people are united and are coming together today. >> today is a celebration of boston's resiliance, paying

one was unextremity, the other at the other extremity. so i would say unlikely that they're the same event. but in deep water, funny things happen with acoustic signals, particularly with different temperatures layering and so on. and i might get, i might actually get commodore levy to speak to that in a second. i don't think you were here yesterday, but i referred to the fact that just before the press conference, we were starting to hear that ocean shield had made a contact, but we had no detail at that stage. and over the last 24 hours, and indeed probably for the next 24 hours, ocean shield will continue its runs back and forth over the area. i might add, this is a very time-intensive operation because it's towing a lot of cable. and to turn it around to come back again takes three hours to turn around. >> were the detections 24 hours -- [ inaudible ] >> well, the detections, as i understand it, the first detections were around the middle of the night. not last night. night before. [ inaudible question ] >> there's been two contacts t