Prosecutors have not found it easy to assemble mortgage-fraud cases, but they are working hard to bring more.
起诉人收集抵押欺诈的案例并不容易，但他们正努力找到更多。
2
The FBI says it now has 26 companies under investigation, in addition to pursuing more than 1,400 mortgage-fraud cases nationwide.
FBI称，目前26家公司在接受调查，此外在全国还有1，400多起抵押贷款欺诈案。
3
Lax lending standards, borrower and lender mortgagefraud, low interest rates and unreasonable speculative fever all helped contribute to the accelerated pace.