RIP

Riley Strain's mysterious death in Nashville is anything but cut and dry ... and the autopsy and video surveillance only add to the puzzle.

TMZ Studios has a new series, "Strange & Suspicious," now airing on a dozen FOX stations, where we explore unexplained and straight-up weird stories, and now we're looking into the circumstances surrounding Riley's death.

A college student visiting Nashville with his frat brothers, Riley left his friends behind at the bar and drunkenly stumbled through the streets before vanishing ... until his body was found floating in a river, without his shoes, pants or wallet.

Sean Burroughs -- the ninth-overall pick in the 1998 MLB Draft -- died from a fentanyl overdose.

The late MLB player's official cause of death is listed as fentanyl intoxication and his death has been ruled an accident ... according to the Los Angeles County Medical Examiner.

As we reported ... 43-year-old Sean died back in May, when he was found unresponsive next to his car in a Long Beach parking lot outside his son's Little League baseball game. He was pronounced dead at the scene.

New footage seemingly showing a sleeping bag containing the dead body of Yazmeen Williams has surfaced ... and, it shows how callously at least one person treated her remains.

The horrifying clip shows an individual on a motorized scooter dragging what appears to be a large sleeping bag behind him on the street. According to CBS New York ... it's still unclear if it's the same sleeping bag with Williams' body in it, but they do look alike.

As previously reported, the sleeping bag itself was discovered tied to a dolly cart.

Benji Gregory -- best known as the child star on the sitcom "Alf" -- has passed away ... TMZ can reveal.

The actor's sister Rebecca tells TMZ her brother was found dead in his car at a Chase Bank parking lot in Peoria, AZ, on June 13.

His death certificate confirms that date, and the Maricopa County Medical Examiner's Office tells us Benji's cause of death is still pending.

9:30 AM PT -- Josh Klinghoffer's attorney, Andrew Brettler, tells TMZ ... "It was a tragic accident. After Josh struck this pedestrian in the intersection, he immediately pulled over, stopped the car, called 911 and waited until police and the ambulance arrived. Obviously, he's cooperating with the police throughout the traffic investigation. This was purely a tragic accident."

Former Red Hot Chili Peppers guitarist Josh Klinghoffer is being sued for wrongful death and for allegedly being behind the wheel of a car that ran over and killed a pedestrian.

According to a new lawsuit, obtained by TMZ, Josh was driving a black GMC Yukon in Alhambra, CA back in March when he made a left turn and ran into a pedestrian who was using a crosswalk.

9:24 AM PT -- Opening statements are done ... court is breaking until 9:40 AM PT.

9:15 AM PT -- Alex Spiro finishes his opening statement by saying the prosecutors need to prove this death was foreseeable ... and Spiro says it simply wasn't.

9:10 AM PT -- Spiro's honing in on the broken firearm ... saying now no one can test the gun in the condition it was in when Halyna Hutchins was shot since law enforcement broke it during testing.

8:52 AM PT -- Alec Baldwin's defense team plays the 911 emergency call for the court. Spiro highlights how the caller says the shooting was accidental and blames AD David Halls.

The remains of an American climber missing for 22 years have been found on the Peru mountain where he was buried by an avalanche.

Police in Peru say they found U.S. mountaineer William Stampfl's mummified body Friday near a camp on Mount Huascaran, one of the highest peaks in the Andes.

William was trying to summit Mount Huascaran back in 2002 when an avalanche buried him under snow and ice. Cops say his still-frozen body was found about 5,200 meters up the 6,768-meter mountain.

A mechanic at an Iranian airport is dead after a horrific accident ... getting sucked into the running engine of a Boeing commercial airliner.

The fatal incident happened at Chabahar Konarak airport in southern Iran, where mechanic Abolfazl Amiri was doing routine maintenance work on the tarmac.

Reports say Amiri was doing one last check on a Boeing plane when he realized he had forgotten one of his tools near one of the plane's engines ... and when he collected it, he got sucked into the turbine.

Sam Rubin had a massive blockage of his coronary artery ... according to the L.A. County Medical Examiner's report on his death.

The M.E.'s Office says it determined KTLA's famed entertainment reporter officially died of ischemic heart disease due to atherosclerotic coronary artery disease. Translation: Sam suffered a heart attack due to the blockage.

As TMZ first reported ... Sam was rushed to UCLA West Hills Hospital back in May, and we were told he had gone into full cardiac arrest while at home.

Bodybuilding star Andre Cavalcanti was tragically killed last week ... after he was involved in a horrific accident on a roadway in Brazil.

The crash reportedly happened on July 5 in the northern region of Parana ... when a 17-year-old allegedly took his parents' car without their permission and went on a joyride with two other minors.

The teen was reportedly cruising down BR-369 road ... when he suddenly collided head-on with Cavalcanti, who was atop his motorcycle.

Joe Bonsall, the longtime tenor for the iconic country/gospel group The Oak Ridge Boys, is dead.

Joe died Tuesday as a result of complications from Amyotrophic Lateral Sclerosis (ALS) ... according to a statement from his band.

He had been battling ALS -- also known as Lou Gehrig's disease -- for more than 4 years ... and in January he announced he was dropping out of the group's farewell tour.

Grim news outta New York City -- a woman's body was found in a sleeping bag left on a sidewalk for trash pickup.

Authorities found the decomposing body wrapped in a plastic bag inside the sleeping bag, which was tied to a dolly cart -- this after they responded to reports Friday of a suspicious package with a foul smell outside a building on East 27th Street.

The victim has been identified as 31-year-old Yazmeen Williams, and cops have ruled her death a homicide ... revealing she was shot in the head.

Joan Benedict -- known for TV favorites like "General Hospital" and "Candid Camera" -- has died.

A family spokesperson announced Monday that Joan, who was the widow of actor Rod Steiger, died on June 24 at L.A.'s Cedars-Sinai Medical Center due to complications from a stroke.

Joan had a remarkable career, kicking things off in the 1950s with "Candid Camera" ... where one of her most famous moments was playfully tickling men with her feathered hat as they sat next to her.

Neverland Ranch is under serious threat from a huge SoCal wildfire, but Michael Jackson fans should not worry ... 'cause fire crews and heavy-duty equipment are already there to keep the iconic property safe.

As TMZ previously reported ... the gigantic Lake Fire in Santa Barbara is burning toward MJ's infamous ranch, fueled by the dry land conditions and sweltering heatwave and now mass evacuations are underway.

Capt. Scott Safechuck, spokesman for the Santa Barbara County Fire Department, tells TMZ the blaze is a big-time threat to Neverland ... which is why dozens of firefighters are already there -- including multiple fire trucks and bulldozers. Fire aircraft is also in the area, ready to respond!

Alec Baldwin is about to stand trial for the fatal shooting on the "Rust" movie set ... and he's already in New Mexico for a pretrial hearing.

Check out these first images of Alec in court Monday at the Santa Fe County District Courthouse ... he's in a suit and tie with thick black glasses and has his arms folded over his chest as he sits with his defense team.

Alec seems pretty aware of the camera -- the trial will be live streamed -- and at one point he leans over to one of his attorneys and whispers something in his ear.

Porn star Jesse Jane's official cause of death is an overdose ... TMZ has confirmed.

TMZ has learned Jesse died of an accidental fentanyl and cocaine overdose according to the Oklahoma City Medical Examiner's office.

We broke the story back in January ... law enforcement sources told us the famed adult film actress was found dead at a home in Moore, OK after authorities responded to the residence on a welfare check.