There's no way to do that because it relies on a naive understanding of truth. Sometimes the celebrity themselves may have selective recall of an event - so ev

There's no way to do that because it relies on a naive understanding of truth. Sometimes the celebrity themselves may have selective recall of an event - so even a statement from the subject of the rumor could be false. Two video cameras catching the same event from different angles can imply vastly different stories. Basically the plot of rashomon unfolds everyday and at scale.