Maybe he should have released them earlier in the election cycle. A team of hackers claims to have obtained Mitt Romney’s tax returns and say the documents will be released at the end of September unless the candidate transfers $1 million in Bitcoins, an online currency. The group allegedly stole the files from Pricewaterhouse Cooper’s Tennessee office on Aug. 25. If Romney fails to pay the ransom, the hackers say, “the entire world will be allowed to view the documents with a publicly released key to unlock everything.”