we came up with government regulation, ftic insurance and the federal reserve. now you trust putting your money into a bank. in the early days, it's expected there's hiccups. >> federal prosecutors in new york and authorities in japan are looking at what caused the bitcoin exchange to shut bun. more than $300 million worth may have been stolen from a tokyo exchange. >> in part two of our look at the citrus problem, farmers get help to overcome the crisis. jennifer london has the story from redland. >> i can see the tree has a broken branch. >> citrus farming runs through bob's blood, passed down from his father, grandfather, and great grandfather. >> we have been farming oranges and citrus in this area since the 1900s. >> the citrus groves have survived snaps, cold snaps. >> it is it the asian citrus psyllid. it's fatal. we'll lose all the trees. it's like losing someone in the family or a major tragedy. >> the californian department of the food and agriculture called it the most devastating disease in the world. one that science has been unable to combat. in th