. >> reporter: mitch jurisich wants customers. last summer this third- generation oysterman told us his grounded fleet was losing $30,000 a week. his oysters never touched by oil are still smeared by suspicion. >> the product is clean. it's safe. it's ready to go. people just need to eat it. >> reporter: all these fishermen want to get back in the water. that's where mitch jurisich plans to spend wednesday's spill anniversary, filling his first oyster orders, katie, since last june. >> couric: mark, how have these oystermen been able to hang out without making none? >> a lot didn't, katie. some of them who have survived got their six-month survival money from b.p. they're either putting in a claim for long-term damages or suing for the rest. but if this summer doesn't go well, you'll see a lot fewer of these boats on the water next year. >> couric: all right. mark strassmann in empire, louisiana. mark, thank you. and still ahead here on the "cbs evening news," it's income tax day, but nearly half the population doesn't pay a penny