CNN CNN Newsroom With Ana Cabrera September 29, 2019 22:04:00
Whistleblower, you have to make yourself available to the individuals who most want that information. and here it's congress. because they want to knows what your basis for making these allegations. is it personal knowledge? is it hearsay? is it double hearsay? is it documents? and here's the key. whenever you have a whistleblower, corroboration is most important. there's a case called illinois versus gates, a supreme court case where the government used an anonymous tip, not even a person they knew, but they corroborated the allegations. here we know who the whistleblower is. >> we don't know...