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Dean Del Mastro Crying In House, Trading Shots With Rivals Among Memorable Moments (VIDEO)

WATCH: Del Mastro's Memorable Moments

Ontario MP Dean Del Mastro is in a heap of trouble.

The former right-hand man to Prime Minister Stephen Harper was charged Thursday with improper election spending that could see him in prison for as much as five years.

Four charges under the Canada Elections Act were laid against the representative for Peterborough, though Del Mastro denies wrongdoing.

Harper's office also released a statement Thursday saying Del Mastro is no longer a member of the Tory caucus.

He is the fifth member of the Conservative caucus lost in scandal this year after former cabinet minister Peter Penashue and senators Patrick Brazeau, Pamela Wallin and Mike Duffy.

Del Mastro and his former official agent, Richard McCarthy, are charged with filing a 2008 campaign return that was false or misleading, exceeding the legal election spending limit, and filing a return that omitted required information.

Del Mastro is also charged with exceeding the political contribution limit of $1,000 by writing a $21,000 personal cheque that allegedly went into his own campaign.

A conviction could mean fines of between $2,000 and $5,000, a sentence of up to five years in prison, or both.

Not good.

But just last week, Del Mastro, who served as Harper’s parliamentary secretary, was shifted to the economic development portfolio. Parliamentary secretaries get $16,000 wage hikes on top of their MP salaries of $160,000 but are not members of cabinet.

As political researcher Tim Abray-Nyman told Postmedia last week, the position is essentially a reward for loyal MPs.

"Historically, because the patronage system was very strong in the early days of Canadian parliamentary democracy … it made sense to have a system by which you could reward particularly loyal people," Abray-Nyman told Jordan Press. "This provided you with an additional layer to reward people."

Fans of question period know Del Mastro proved his loyalty as a frequent speaker, at least before this scandal began to take off, who would rise to defend the Harper government from allegations and fire back at members of the opposition.

But even outside the House of Commons, Del Mastro would toe the party line and mix it up with rivals.

Here are just a few of Del Mastro's memorable moments before he became, evidently, persona non grata to Conservatives.

Catholic Clash
In 2011, Del Mastro made headlines after he publicly questioned Liberal MP Justin Trudeau's adherence to the Catholic faith.Del Mastro said on Facebook it was "outrageous" the Peterborough Catholic school invited Trudeau to speak to students."Are there any tenets of the Catholic faith that Justin supports?" he wrote.Trudeau said at the time he was "surprisingly upset" at the insult."For someone to start questioning my own faith and accusing me of being a bad Catholic, is something that I really take issue with. My own personal faith is an extremely important part of who I am and the values that I try to lead with."
Last October, Del Mastro used his member's statement to suggest Parliament should move to regulate anonymous commentary online."Yesterday I read the comments of hundreds of anonymous posters online and was frankly shocked and saddened by the level of vitriolic hatred and personal attacks that were freely posted," he said. "While I believe firmly that the right to free speech must be strongly defended and protected, I also believe it should be backed up by the common decency to stand by one's words as opposed to hiding behind online anonymity."Many Canadians took to Twitter to poke fun at Del Mastro and suggest he had just discovered the Internet. The hashtag, #DelMastroInternet, soon began trending.

With files from The Canadian Press

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