Fact Checking Journalism for a news website

We are a small team who are trying to develop a solution for checking the fake news on social media. Today social apps like Facebook, twitter, whatsapp, etc are facing a huge problem with fake news. These fake news are creating a huge problem in society ranging from beating a couple based on the wrong news to the political shift in many countries. To address this problem. For this are looking to hire some freelance journalists to fact-check various news floating on social media.