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Steve Stephens' victim was shot in a residential area, and several neighbors frantically called 911 to report the savage murder.

The 911 calls were just released and a man yelled, "He's not conscious. He's dead!" They also told the operator the victim was an older man. You can hear a crowd gathering around the crime scene as the operator tried to instruct the caller on how to stop the bleeding.

It's clear she didn't realize the shots were fatal.

Jason Derulo knows exactly what he'll do if he comes face-to-face with the Facebook killer.

We got the singer at LAX, and like almost everyone, he's shaken by the horrific story of Steve Stephens posting video of himself murdering a grandfather. Jason says you can't blame social media for this ... Stephens is just sick.

As for the $50k reward to catch the killer -- Jason told us how he thinks America should respond, and says he's ready to back up his words.

Police are going all out to locate Facebook killer Steve Stephens ... including offering a huge reward.

Cleveland police chief Calvin Williams just announced the $50,000 reward for any information leading to Stephens' arrest. The reward comes on the heels of police saying the manhunt now covers up to 5 states.

The ATF, FBI and Crimestoppers are all chipping in to cover the reward.

Chief Williams is still imploring Stephens to turn himself in ... or at least contact a friend or relative.

Steve Stephens, the alleged Facebook killer, is on the move and his cell phone might have given up his location to cops.

Stephens' phone pinged near Erie, PA ... according to a report, which would put him about 100 miles east of Cleveland. He's been charged with aggravated murder after killing 74-year-old Robert Godwin Sunday in Cleveland, and uploading video of the fatal shooting.

The manhunt's now expanded to 5 states -- Cleveland authorities say Stephens could still be in Ohio ... or on the run in Pennsylvania, New York, Indiana or Michigan.

Paul O'Neill -- founder of the Trans-Siberian Orchestra -- has died after a private battle with a chronic illness, the band confirms. He was 61.

Law enforcement tells TMZ ... Paul was found dead in a Tampa hotel room. There are no signs of foul play, but police don't know yet how long he was deceased before they responded to a 911 call. We're told the Medical Examiner has his body now.

Paul's band says, "The entire Trans-Siberian Orchestra family, past and present, is heartbroken to share the devastating news that Paul O’Neill has passed away from chronic illness," a statement said on the band's official Facebook page.

"He was our friend and our leader -- a truly creative spirit and an altruistic soul. This is a profound and indescribable loss for us all."

O'Neill created the band back in 1996 and hit it big with its metal-infused take on classic Christmas songs. The band has sold more than 12 MILLION albums.

Arnold Schwarzenegger just schooled an Internet troll for mocking the Special Olympics, calling the participants the r-word.

A random guy posted this ... "The Special Olympics make no sense. The Olympics are for the best athletes in the entire world to compete against each other to determine who is the best. Having r****** competing is doing the opposite!"

The guy was responding to a video Arnold posted touting the athletes.

Arnold responded to the troll this way ... "it's a teachable moment. Right now, I guarantee you that these athletes have more courage, compassion, brains, skill -- actually, more of every positive human quality than you."

Arnold has a dog in the fight. His mother-in-law, Eunice Shriver, founded the Special Olympics and he's been active in the event for years.

Arnold had one other thing to say, "So take their path -- you could learn from them, and try to challenge yourself, to give back, to add something from the world."

Facebook and Twitter will start ratting out Pakistani citizens who post anti-Islamic comments if -- and that's a big IF -- Pakistan gets its way.

Interior Minister Chaudhry Nisar Ali Khan told AP Thursday a Pakistani official in their Washington, D.C. embassy approached both social media giants about tracking down Pakistanis -- at home or abroad -- who make blasphemous statements online.

Pakistan has strict blasphemy laws -- violators can be put to death for bashing Islam.

As for whether Facebook and Twitter will play ball -- FB says, "We disclose information about accounts solely in accordance with our terms of service and applicable law. A Mutual Legal Assistance Treaty or other formal request may be required for international requests."

Translation: If it happens, it won't be anytime soon.

Nick Cannon doesn't see himself shooting the next season of "America's Got Talent" ... after NBC execs considered firing him over a racial joke he told in his comedy special.

TMZ broke the story ... NBC and 'AGT' honchos felt Nick had disparaged them and breached his contract by joking the network doesn't want him using the n-word, and insinuating it generally crushes his swagger while hosting 'AGT.' The special aired Friday night on Showtime.

That news pissed off Nick ... who now says he's loved hosting 'AGT' but "my soul won't allow me to be in business with corporations that attempt to frown on freedom of speech, censor artists, and question cultural choices." He also says he doesn't care about the millions they pay him.

He adds, "I can not see myself returning." He told Howard Stern last week that he'd sue if they ever fired him over a joke.

As we told you, NBC decided to let the whole joke slide, but Nick clearly isn't forgiving.

He ended his FB post with a quote from Dr. Martin Luther King -- "Our lives begin to end the day we become silent about the things that matter."

Antonio Brown is really, REALLY sorry for posting on Facebook Live from the Steelers locker room ... apologizing yet again for sharing Mike Tomlin's 'the Patriots are a**holes' speech.

Brown went to Facebook Live (ironic) to discuss the infamous post ... and explained that he paid a $10k fine and is ready to move on.

"If the only thing I did wrong was Facebook Live, I guess I'm a pretty good guy then."

Nickelback isn't laughing about Canadian cops joking they'll torture drunk drivers by playing the band's music in patrol cars -- in fact, Nickelback got pissed and shut down the prank.

A spokesperson for Kensington Police tells TMZ a Nickelback rep demanded they take down the Facebook post that went viral this week. The post warned holiday season DUI offenders they'd get hit with fines, criminal charges, driving suspension and "the office's copy of Nickelback in the cruiser on the way to jail."

Funny. To everyone but Nickelback. Cops say the rep was polite, but made it clear Chad Kroeger and co. didn't like being the butt of the joke. Apparently, they're not used to it yet.

Kensington cops say they never meant to embarrass the band, they were just looking for an effective way to get the anti-DUI message to the public. Mission accomplished.

There will be no repeat victory for Formula One champ Nico Rosberg ... the reigning champ just announced his retirement ... days after winning his very first F1 championship.

The 31-year-old -- who had been bested by his rival Lewis Hamilton for years -- made the announcement moments ago on Facebook.

"Since 25 years in racing, it has been my dream, my ‘one thing’ to become Formula One World Champion. Through the hard work, the pain, the sacrifices, this has been my target. And now I’ve made it. I have climbed my mountain, I am on the peak, so this feels right."

So, what's next for the racing legend?

"Now, I’m just here to enjoy the moment. There is time to savour the next weeks, to reflect on the season and to enjoy every experience that comes my way."

"After that, I will turn the next corner in my life and see what it has in store for me ..."

Secret Service agents felt Donald Trump's life was threatened earlier this month, and paid a visit to the messenger ... who says it was just a joke.

Law enforcement sources confirm to TMZ ... Trump's Secret Service team and Sheriff's deputies in Greene County, Ohio checked in with a guy Monday who posted a screen shot of a text message on Nov. 14 ... which read, "kill Trump."

We're told the meeting went like this. Agents asked the man -- who ID'd himself as Micah -- if he was serious about the threat. He responded, "Not unless he starts going door-to-door rounding up people like he says."

Micah tells us the agents seemed satisfied he wasn't serious and they left.

The mother of "RuPaul's Drag Race" season 8 winner was injured when a stray bullet pierced her windshield and bloodied her face as she waited in her car in Atlanta.

Bob The Drag Queen confirmed his mom, Martha Anna Caldwell, was taken to a hospital with non-life threatening injuries, saying, "It's a miracle that she's not only alive, but able to go home after a few stitches."

Cops tell us the shooting happened Sunday night when a gunman hopped out of a car and started shooting at another man. Caldwell sat in her car about a block away when one of the rounds struck the windshield ... causing glass and projectile fragments to strike her face.

Bob's pissed about the shooting and railed on what he calls Georgia's "lax gun laws." He pleaded, "This could have been you, or worse this could have been your mother."

Brad Pitt is alive and well, and if you click on a story claiming otherwise ... it could expose your phone, computer or other device to hackers.

Facebook is warning users not to click on what appears to be a FOX News report about Brad's death. If you do fall for it, and enter the requested info ... the bad guys can get your passwords and control of your account.

The malware is evil genius -- the hackers clearly preying on the public's interest in all things Brad and Angelina Jolie.

7:52 AM PT -- More bad news for the server ...

TMZ Sports spoke with Jimmy Marcos -- co-owner of Ledo Restaurant in Maryland -- who tells us DeAngelo's server will be TERMINATED over her handling of the tip situation.

Long story short ... we're told the restaurant policy is "the customer is always right" and tipping is a reflection of the service -- not mandatory.

"We were in the wrong," Marcos says.

He also has a message for Williams -- "I want to offer anything I can do. I'll be sure to apologize in person next time he visits and pick up his next meal."

Pittsburgh Steelers running back DeAngelo Williams is blasting restaurant workers who called him out on social media for not tipping ... saying point-blank -- THEY SUCKED AT THEIR JOBS.

It all started when the bartender at the restaurant went to Facebook and wrote:

"Just now at work I had Deangelo Williams come in and I waited on while tending bar. His check was $128.25. He left me $129 with no tip but .75 cents. So there you go Stealers fans, your running back is cheap as s**t!!! Smh."

Williams found out about the social media shaming and lashed back -- claiming the service was so terrible, a 75 cent tip was TOO GENEROUS.

"I tried to leave exact change but couldn't," Williams said ... "I waited on my food for over 1.5 hours."

(For the record, the waitress claims he was only there for 45 mins).

So, what was allegedly so bad?

For starters, "She never asked for refills," Williams says.

But what really pissed him off -- "I ordered chicken and shrimp in my pasta they put it on my salad."

When he pointed out the mistake, "They took it back and removed it from salad and put It in my pasta leaving a shrimp tail in the salad."

Williams says "terrible service" means terrible tip.

"I use to wait tables and use to be a bag boy so I know what I'm doing here."

One half of LMFAO is sounding off at the other claiming despite family ties he's been left in the dust.

Sky Blu posted a scathing letter on Facebook about Redfoo, who's also his uncle, calling him out for ditching him after he suffered a debilitating back injury.

Sky, who now goes by 8ky, is trying to drop his new solo LP but says Redfoo's lawyers fired off a letter saying he gets zero LMFAO royalties ... money he needs to underwrite his album. He says he's also been unsuccessful getting his share of money held up by Rick Ross' lawsuit against the group.

8ky claims Redfoo pushed him out of LMFAO and "just kept shuffling everyday without me," going as far as using their trademark party rock theme on his own solo LP.

8ky also sounded off on their label, Interscope, saying it needs to "stop treating artist like cows and chickens and using them for all they can produce and then just discard them without a care."

It's kinda history repeating itself. They're both blood related to Berry Gordy, founder of Motown ... a label that had its fair share of royalty fights.