The father asked the judge for five minutes - and then just one minute - alone with Nassar, which the judge denied. Would you do that?
There was laughter in the courtroom after his first request, but it was quickly replaced by gasps and tears after he lunged at Nassar.
It took three bailiffs to tackle and restrain Margraves, who didn't get close enough to Nassar to land a punch.
Two of his daughters had given statements to the court.
"You can not behave like this", Povilaitis said.
"This is letting him have this power over us", she said. "Do not use physical violence", the longtime sex crimes prosecutor pleaded.
Watch a clip of the incident above.
Rights groups decry public shaming of transgender people in Indonesia
Prejudice against trans people, while widespread across the country, is particularly acute in the province. A group of protesters holding anti-LGBT banners in Aceh, where homosexuality is illegal, in December 2017.
Although Nasser has expressed remorse for his actions and apologised to his victims in court, there has been little sympathy from either them, the justice system or the American public for one of the most prolific sexual offenders in history.
"I-I, that is not-" she began. "I'm sorry you had to experience it". "It is not appropriate, it does not send the right message", Cunningham continued. "We can not react by using physical violence and assault against someone who is and has performed criminal acts".
"There is no way that this court is going to issue any type of punishment given the circumstances of this case and my heart does go out to you and your family because of what you've gone through", Cunningham said.
Margrave apologized and said he has calmed down, and promised he wouldn't attend any other hearings. I'm embarrassed. I'm not here to upstage my daughters.
This is the last sentencing hearing for Nassar, who was already sentenced to up to 175 years in prison for sexual assault and another 60 for child pornography charges. A minimum of 25 to 40 years is expected to be added to Nassar's sentence.
HollywoodLifers, what do you think of this father charging at Larry Nassar in court?