The RCMP will not be charging anyone in the Tapegate affair: not Gurmant Grewal, nor Ujjal Dosanjh, nor Tim Murphy.
Which is probably the best way to handle the whole affair. In retrospect, the whole affair was blown far out of proportion and didn't reveal anything about the participants that wasn't already common knowledge.
But it did serve to keep the people distracted from the budget debate and let the Liberals survive to fight another day.
No one's reputation was significantly damaged by the allegations of fraud or evidence tampering, since their reputations were already pretty poor. No one thinks less of Parliament and politicians as a result, since public attitudes towards both are highly cynical anyway.
Tapegate can now disappear down the memory hole, until the next great scandal comes along.