Martina Anderson may not know it, but this week the Sinn Fein MLA and former IRA bomber produced a textbook example of what psychologists call DARVO.
She has since apologised for the grotesque tweet she put out on the subject of Troubles' pensions. In it, she claimed that the money would mainly go to "those who fought Britain's dirty war in Ireland", mainly to those involved in collusion, and mainly to British troops, such as the paratroopers involved in shootings in Ballymurphy in 1971 and on Bloody Sunday in 1972.
Making no mention of innocent Troubles' victims, who were emotionally and physically maimed through no fault whatsoever of their own, Ms Anderson said the money would "discriminate, criminalise and exclude".
The DARVO acronym stands for Deny, Attack, Reverse Victim and Offender.
This is a tactic used by narcissists, emotional blackmailers, high-conflict individuals and other unpleasant, manipulative people. They frequently employ it to deflect blame from themselves and to avoid being held accountable for their actions. Conveniently, it allows them to do or say the most appalling, contemptible things, and then turn it around so that they get to be the poor oppressed victim.
It's quite a conjuring trick. Here's how the magic happens.
First they deny, minimise or excuse the harm they have caused. Well, obviously. Martina and her fellow republicans are fluent in the revisionist narrative that insists the IRA only killed people because it had to, in the name of equality.
Next, they attack.
With her ludicrous claim that most of the millions destined for Troubles' victims would mainly go to British troops and agents of collusion, Ms Anderson went on the offensive. In every sense of the word.
Presumably she was enraged that Sinn Fein's contemptible strategy of blocking pensions, until some of her old comrades could get a share of the dosh too, isn't working out quite as planned.
Legal proceedings were brought by Jennifer McNern, who lost both legs in an IRA bomb attack on the Abercorn restaurant in Belfast, and by Brian Turley, one of the so-called "Hooded Men" held and subjected to special interrogation methods by the British military in the 1970s.
Last week, the victims finally found success. A judge ruled that the Executive had acted illegally in delaying the compensation scheme, and had demonstrated either "wilful disregard for the rule of law, or abject ignorance of what the rule of law means in a democratic society".
(Please note, the truth or otherwise of the claim is immaterial to the person doing DARVO. By going into attack mode, all they want is to up the ante, put their opponents in a defensive position, and thus get back control of the situation.)
Finally, the pièce de résistance: the reversal of victim and offender.
This is the real rabbit out of the hat bit. The money shot, if you will.
By stating that the allocation of Troubles pension money would "discriminate, criminalise and exclude" Ms Anderson inverted the whole situation. Hey presto! Now it's the victims themselves who are the aggressors: corrupt agents of the state, viciously discriminating against those poor, sweet, defenceless republican ex-prisoners, criminalising and excluding them from their rightful benefits.
And that's how you do DARVO.
It would be farcical, if it wasn't so sick.
The risk for proponents of DARVO is that if they take it too far, making their tactics too blatant, as Ms Anderson did, they can get called out and condemned.
This is presumably why the offending tweet disappeared so suddenly, followed by an "unreserved" apology: "All victims of the conflict deserve acknowledgement of their pain and loss and I support them in their efforts to get their pension," she said.
But I don't suppose for a second that Martina Anderson has changed her mind. There are moments when the mask slips, and the truth emerges, such as the time when Gerry Adams said that equality was the "Trojan horse" of republican strategy - a weapon disguised as a gift.
In Northern Ireland today, there are victims of republican violence, victims of loyalist violence and victims of violence by state forces. For decades, many of these forgotten people have endured unspeakable levels of physical and psychological trauma. It stenches to high heaven that they have been denied compensation for so long.
But that's the thing about people who do DARVO.
They don't stop to think about the dreadful consequences of their words or actions on others.
They only think of themselves. Or, in Sinn Fein's case, ourselves.
Nobody else matters.