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Jasveen Sangha, the alleged "Ketamine Queen" arrested in connection to Matthew Perry's death, is well-versed in the world of crime ... thanks to her obsession with the Mafia.

Before she was arrested for allegedly providing the "Friends" star with the ketamine that killed him last October, Jasveen was a Mafia superfan ... who created her own website paying tribute to the life of organized crime.

Check it out ... Jasveen describes her "love" of Mafia history in a bio on the site, where she explains her fascination kicked off after viewing films like "Scarface" and "The Godfather" at a young age.

There have been arrests in the murder of "General Hospital" star Johnny Wactor ... TMZ has learned 3 people have been arrested and booked on murder charges.

TMZ broke the story ... LAPD swooped in early Thursday and executed multiple arrest and search warrants in connection with the shooting death of the soap opera star.

We're told the LAPD now has in custody 3 members of the Florencia 13 gang for murder, and one gang member has been arrested on charges of being an accessory.

Reporter Kjersti Flaa says Blake Lively's "It Ends With Us" drama wasn't on her radar, or at least it wasn't when she uploaded their cringe interview -- instead, she insists it's pure coincidence.

We spoke with Kjersti in the aftermath of her video blowing up ... and she shared further insight into the tense convo, and made it clear she had no ulterior motive when posting the interview online.

Most viewers of the viral clip assumed Kjersti posted the 8 year old exchange in response to Blake's "It Ends With Us" drama with costar and director Justin Baldoni ... but she says it was more innocent than that.

Canadian pole vaulter Alysha Newman's twerking celebration in France has been great for her wallet ... she tells TMZ Sports the impromptu dance has led to an explosion of followers on her OnlyFans page.

The Olympian broke it all down for us this week ... just days after she went viral for shaking her booty amid earning a bronze medal in the women's pole vault competition at the Paris Games.

She said her subscribers grew by about "10 times" following the celly ... and "as we speak, numbers are being added."

The two doctors charged in connection with Matthew Perry's death are being investigated by the Medical Board of California, but they haven't had their licenses suspended ... at least not yet.

Dr. Mark Chavez and Dr. Salvador Plasencia are the two physicians charged with illegally conspiring to supply ketamine to the late "Friends" star.

The State's Medical Board tells TMZ ... they are aware of the criminal charges against Dr. Chavez and Dr. Plasencia and are investigating the matter.

Jay-Z's legendary 40/40 Club is coming back in a big way -- and as awesome as the celeb hotspot was back in the day -- wanna bet it's about to be a whole lot better?!

40/40 will temporarily relaunch in New York City starting Friday night (and running through Sunday) at the Jacob Javits Center in Manhattan ... where Hov's famed nightclub will be one of the main attractions at Fanatics Fest NYC.

TMZ Sports has learned the club will feature an integrated spot for partygoers to place wagers with Fanatics Sportsbook while watching games and partying.

Mariah Carey's heating up the Amalfi Coast, because even the Queen of Christmas needs a summer break ... and she's taking hers in a skintight pink swimsuit.

The singer-songwriter hit the waters on the famed Italian coastline Wednesday ... donning a pink and black spandex suit with a plunging neckline that revealed her black bikini underneath.

Mimi hopped on a boat with her 13-year-old twins -- Moroccan and Monroe -- lounging around as they soaked up the European sun, and Monroe threw her arm around Mom.

Dr. Dre's training to compete in archery for Team USA at the next Olympics, and his buddy Snoop Dogg's already got the perfect nickname for him ... and it's a nod to Mel Gibson.

The "Nuthin' but a 'G' Thang" rap icon joined us Thursday on "TMZ Live" and told us all about his plans for the 2028 Los Angeles Olympics ... and Snoop's take on his archery aspirations.

Dr. Dre is already manifesting a first-place finish in the Summer Games, telling us he was joking with his crew in the studio ... "You'll be begging me to take off my gold medal!!!" 😆

"Hawk Tuah" girl Haliey Welch tossed out the ceremonial first pitch at the Mets game Thursday ... and, sorry to disappoint, it looked more like a curve than a spitball.

The social media sensation took the mound at Citi Field just before New York's tilt with the A's ... and while she didn't exactly hurl the cowhide the full 60 feet, 6 inches -- she got the job done nonetheless.

Decked out in a custom Mets jersey, Welch completed the toss to her pal -- and then celebrated the feat with a chest bump and a picture.

Big break in the Matthew Perry death investigation -- there have been multiple arrests made, including at least one doctor ... TMZ has learned.

Law enforcement sources tell us ... multiple law enforcement agencies have executed search warrants and seized computers, phones and other electronic equipment to determine who supplied Perry with the ketamine that caused him to lose consciousness last October and drown in his hot tub in Pacific Palisades, Los Angeles.

Perry had been getting ketamine infusion therapy for anxiety and depression, but the last therapy was a week and a half before his death, so the ketamine in his system was not doctor-prescribed.

Gena Rowlands, who famously played Allie in "The Notebook," is dead ... TMZ has learned.

The retired actress died Wednesday afternoon at her home in Indian Wells, CA ... where she was surrounded by family, including her husband, Robert, and her daughter Alexandra Cassavetes.

We're told her son, director Nick Cassavetes, had also been at the home frequently this week.

The upcoming Britney Spears biopic has a chance to be extra authentic ... as the new owner of the singer's childhood home is inviting Universal Pictures to film on location.

The current homeowner of the old Spears family home in Kentwood, Louisiana tells TMZ … she's totally open to camera crews descending on the property to shoot scenes for the Britney flick.

It sounds like the owner's willing to bend over backward to make this happen ... she tells us she's cool with the production company removing her furniture and bringing in their own set pieces, which would need to happen to accurately recreate Britney's 1980s and '90s childhood environment.

Alyvia Alyn Lind is getting a pretty good cut of some streaming dough for an upcoming Netflix production ... she's set to earn more than $500,000 for the limited series.

The 17-year-old actress is starring in "Wayward" ... and her minor's contract shows just how handsomely she's being paid.

According to the contract, filed in court and obtained by TMZ, Alyvia is raking in $75,000 per episode for the inaugural season.

Michael Chandler's Christmas wish is to put his fist through Conor McGregor's face on the UFC's December card -- and while Santa Claus can't help here -- Dana White can, and Iron Mike desperately hopes he books the long-awaited fight as UFC 310's main event!

TMZ Sports talked to 38-year-old Chandler on Wednesday ... and asked the #6 ranked lightweight for his reaction to White recently declaring McGregor (and therefore Michael) would NOT be fighting in 2024.

"If [Conor and I] can fight in December, let's do it. I'm in. But the fact of the matter is I've stayed ready since I left training camp for that June 29 fight and I am staying ready to take a fight. Any fight, if this fight doesn't look like it's happening in December," Chandler told us.

"Love Island: USA" star Nicole Jacky is resurfacing amid some major drama with her partner from the show, Kendall Washington ... but he's not with her.

Nicole showed up to Chelsea Studios in New York City for Wednesday's reunion show taping ... and instead of rolling in with Kendall, she was with castmates Kaylor Martin and Liv Walker.

Thing is ... Nicole has been super quiet since the show ended, when Kendall had some old nudes leaked online.

A piece of horror movie history could be yours ... as the famed haunted house from "Poltergeist" has officially hit the market.

The home -- which served as the central location in the Steven Spielberg-scripted supernatural flick -- hasn't been listed for sale in more than 45 years ... but is now looking for new living owners.

The abode, located outside Los Angeles in Simi Valley, CA, boasts a 16,000-square-foot lot, with 4 bedrooms, 2.5 bathrooms, a large swimming pool and a jacuzzi.