The CID requires CoreLogic turn over documents and answer questions. The article by Rob Hahn explains that the case revolves around not only the search features of the MLS systems, but the contracts and agreements on the use of MLS data by CoreLogic.
If this investigation proves fruitful, it is possible appraisal data could be investigated as well. If this is the case, it will be a fast rolling snowball downhill for CoreLogic.
See the entire article with a link to the CID here.