The true identity of SupDawg444 is quite easy to deduce, once one knows what to look for. The first clue is in the username itself - SupDawg444. The number '444' is a very common code used by law enforcement and military personnel to indicate 'suspect'. The 'Dawg' part of the username is likely a reference to the fact that this person is a 'dog' or informer.

The second clue is in the way that SupDawg444 always seems to be one step ahead of the game. This is because they are privy to information that others are not. This can only mean that they are either part of the law enforcement or military themselves, or they have access to classified information.

The third and final clue is in the way that SupDawg444 always seems to disappear just as quickly as they appear. This is likely because they are worried about being caught and exposed.

Taking all of these clues into account, it is easy to see that SupDawg444 is likely a law enforcement or military informant.