Anheuser-Busch heir is charged after beating up a sixth grader at son's private school.
William K 'Billy' Busch has shamed his family's famous name after he got into the altercation with the 11-year-old boy.
According to the police report he dragged the boy by his shirt and bloodied his nose.
Busch's lawyer denies the allegation and says he was merely protecting his son.
He was charged with simple assault near St. Louis at the prestigious private Catholic school in Creve Coeur, Missouri.
The incident reportedly happened inside Chaminade College Preparatory School gym back in November.
The Busch family's fortune has been estimated at around $13.4billion, divided among roughly 30 family members.
The beer heir's lawyer has denied the allegations, saying that his client was merely 'protecting the safety of his son and others involved'.
Busch's son was taking part in the basketball practice when he began to scuffle with another boy on the team, according to police reports.
Busch, who is six feet and 195 pounds, charged over and grabbed the other boy, police said.
"You f***er! What do you f***ing think you're f**king doing to my f***ing kid?" Busch yelled, according to the boy's statement to police.
Surveillance video from the school allegedly shows Busch grabbing the boy once more and forcing him backwards out of the gymnasium into the lobby the report says.
This is not Busch's first run-in with the law.
In 1981, he bit off another man's earlobe in a bar brawl that reportedly started over accusations of cheating in an arm-wrestling match.
Busch wasn't charged when police said the other man started the fight.
A year later he beat an assault charge after allegedly punching a fast-food worker in the throat through a drive-thru window.
The judge found that prosecutors hadn't proved the worker was injured.
Busch is due to appear Wednesday in Creve Coeur municipal court in connection with this latest incident.
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