Incidentally, neither his fierce reputation nor his permanent leverage over the media and the Government prevent him from being routinely teased and taunted about his background, even by subordinates such as Ollie and Terri.
In episode 4 of Series 4, he launches a concerted attack on Nicola's leadership, forcing her to resign as leader and allowing Dan Miller to take her place.
In the final episode of the series, he resigns as Director of Communications upon hearing that the Crown Prosecution Service intends to press charges and goes to the police station to surrender himself.
His constant scheming, although "Machiavellian" in the words of Hugh Abbot, is paradoxically aimed at a common good, namely the prevalence of the party line and the resolution of issues arising from ministerial incompetence.
Tucker is implied to be a self-made man of humble origins, a firm believer in meritocracy and a staunch opponent of classism; He compares the intentions of an MP's daughter to capitalise on her family connections to the practices of the Russian Empire and "the fucking Dimblebys".
Tucker is very respectful towards his secretary, Sam, and also allows his fellow Scotsman, Press Officer Jamie McDonald, to criticise him without retaliation.
Nicola Alison Murray is promoted to Secretary of State for Social Affairs and Citizenship in a government reshuffle in the run up to a general election.
In Episode 4 of series 4 she resigns after Malcolm launches a concerted and extreme attack on her standing in the party, as she had, while in government, supported a scheme which ultimately led to the suicide of a homeless nurse, Douglas Tickel.
At the Goolding Inquiry in episode 4.6, he shifts blame for the leaking of the PFI email to Glenn Cullen, describing his dislike of his job at DoSAC and Nicola as motives.
Jamie is very similar to Malcolm in his mannerisms; aggressive, foul-mouthed and frequently violent to his workmates, being described as a "psychopath" and the "crossest man in Scotland" by his co-workers.