User blog comment:Wh!te$tar/It's called "Checks and Balances"/@comment-1272757-20110802025708/@comment-1272757-20110802032107

@White: The time period is to give people ample time to read the evidence. It also allows both the caller and the suspect notify other Users.

@Sakura: Page History. People can look through edits done on talkpages, including evidence erased.