Sum 41's Deryck Whibley vouches his memoir is '100%' true after ex-manager's denial that he 'groomed' and 'sexually abused' ...

"If you think I'm a liar, there's only one way to settle this," Whibley said. "Under oath, in front of a judge" ...

Sum 41’s Deryck Whibley is issuing a challenge to Greig Nori after the Treble Charger frontman denied the singer’s claims ...

In the book, Whibley, 44, claimed that in the band’s early days, he was groomed and sexually and verbally abused by Nori. He ...

Just before Sum 41 frontman Deryck Whibley's memoir, Walking Disaster: My Life Through Heaven and Hell, hit shelves last week ...

The Sum 41 singer makes a public challenge to his former manager to have the truth proven under oath in a court of law.

In the short clip, Whibley said he stands by his allegations that Nori coerced him into a non-consensual sexual relationship as a teen.

In his memoir 'Walking Disaster,' Whibley accused Nori of sexual assault and grooming while the front man was a minor. Nori ...

The Sum 41 frontman recounts how his former manager allegedly groomed and assaulted him in band’s early years.

Whibley addressed former manager Greig Nori in a new video and said, ”If you think I'm a liar, there's only one way to settle this: under oath, in front of a judge, in front of a jury. Any time you ...

Whibley recently published his memoir, 'Walking Disaster,' which alleges Sum 41's former manager groomed him at 16 ...

Deryck Whibley has threatened legal action against his former manager Greig Nori, shortly after accusing him of abuse and ...