[untrained skeptic]

It doesn't really verify an identity as much as give someone the means to contest that they did not receive the ticket because it's not their signature.

[Atlas Sneezed]

It doesn't really verify an identity as much as give someone the means to contest that they did not receive the ticket because it's not their signature.

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Why would a judge who takes controverted traffic cop testimony as gospel not believe the cop when he says that he pulled over the defendant, and wrote the DL number on the ticket, then gave a copy of the ticket?

Arrest warrants are issued for less.