Mark Diamond, the father of late Saved by the Bell actor Dustin Diamond, is speaking out against allegations that his son made against him before his death. Dustin — who was famous for his role as Samuel “Screech” Powers on the beloved nineties sitcom — died at age 44 in 2021, just weeks after he was diagnosed with stage 4 small cell lung cancer . In the newest episode of Investigation Discovery’s docuseries Hollywood Demons , Mark joined Dustin’s former co-stars on the show to speak about the financial troubles that Dustin publicly faced in the years before his death. After his decade-long run at Screech came to an end after the Saved by the Bell spinoff, The New Class , finished in 2000, Dustin filed for bankruptcy in 2001. His financial struggles became public in 2006, when Dustin tried to raise $250,000 by selling t-shirts in order to save his home from being foreclosed on.…