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So we started digging, to find out what triggered the explosion of anger. It seems Colin and the mom were bent out of shape because they were left in the dark about her possible pregnancy. They learned of it after reports surfaced yesterday.

Family sources tell us ... Kendra's mom called her daughter and apparently the conversation didn't go well, because it ended with a death wish.

Colin then stuck up for his mother and went nuts on Kendra.

NEWS FLASH: Pope Francis is a badass who owns not one, but TWO Harley-Davidson motorcycles.

BIGGER NEWS FLASH: He's auctioning them off for charity.

To get you up to speed, the Holy Father was gifted the two bikes by Harley-Davidson during a biker rally in Rome this summer, when 35,000 Harley enthusiasts rode into town to celebrate the 110th anniversary of the motorcycle company.

Roughly 800 of the riders went to the Vatican for a special blessing from the Pope, and during the event, Pope Frank was gifted two new hogs -- a 2013 Heritage Softail Classic (valued at $20,799) and a 2013 Dyna Super Glide Custom ($16,000).

Now Pope Francis has announced he's auctioning off the first bike to benefit a local homeless shelter. The second bike will also be auctioned off, but a charity hasn't been chosen for that one yet.

As for when the first auction takes place, that hasn't been announced yet either.

Amen.

Ricky Schroder has such fears his daughter's Malibu school causes cancer ... he's yanked her out, and we're told other high-profile parents have similar concerns.

Ricky tells TMZ ... the facts are scary -- 3 teachers at Malibu Middle School have been diagnosed with thyroid cancer in the last 6 months. Seven other teachers have experienced severe migraines and others say they have skin rashes, hair loss and other ailments.

Ricky says the buzz around the school is that soil around the school is contaminated with PCBs, lead and pesticides. Teachers also think the classrooms might be contaminated with mold.

Parents are now demanding tests for various contaminants, including radioactivity, asbestos and Ricky tells us ... he's physically removed his daughter from the school "as an abundance of caution" ... until it's determined it's safe for her to return. Until then, she's taking classes at home via independent study ... and about 25% of the students in her class are doing the same thing.

As for Ricky ... he says until he knows it's safe for his daughter to return to classes, she'll be homeschooled.

School officials are conducting more testing this week. According to a statement, preliminary tests showed "no unusual findings" for mold contamination ... and any mold found so far should not pose a health problem.

Adrian Peterson's baby count is now at 5 ... 'cause a 4th woman has surfaced who has a child with the NFL star, TMZ has learned.

This time, the baby mama is Erica Syion -- a former dancer who worked at a gentlemen's club in Dallas, TX. Erica and Adrian have a 4-year-old son together.

Sources connected to the situation tell us ... the two have a financial arrangement, in which Adrian gives Erica money to pay for the kid's schooling, as well as living expenses.

We're told the two met in Houston back in 2007 ... but their relationship has deteriorated in the past few years.

Sources tell us Adrian IS involved in the child's life -- but Erica is the primary parent, with Adrian visiting when he can.

In total, Adrian has fathered (at least) 5 children: 2 kids he referenced in a 2009 documentary ... one was 4 at the time. He didn't mention the age of the other (it's likely he was referencing his son with Erica).

Since then ... he fathered Adrian Peterson Jr. (who's 2-years-old) and a 3-month-old daughter with a waitress in Minnesota. His other son, a 2-year-old, passed away last week.

It's possible his 8-year-old and AP Jr. have the same mom -- but so far, we haven't been able to confirm.

Lamar Odom is way beyond first impressions with the Lakers ... but, all the same, he got a fresh shave of his head for a meeting with the team on Monday ... TMZ has learned.

Lamar's barber in the Valley, a dude named Enzo, hooked up the troubled NBA star Monday morning -- and even gave LO his trademark star on the back of his head ... which he sported during past seasons with the Lakers.

Our sources tell us Lamar met with Laker execs Monday afternoon to discuss terms of a possible return. We're told things went well -- though nothing's been signed -- and that Lamar's first choice has always been to return to the Lakers.

It's pretty amazing ... a little more than a month ago Lamar was smoking crack and deep in the throes of drug addiction. But as we first reported, Odom has been adamant he can cut off his drug abuse without going to rehab.

It remains to be seen if an NBA team buys that (and we know Khloe Kardashian isn't) -- but as one source put it ... lately Lamar has sounded more like his old self.

On his Instagram, Lamar's barber wrote, "Wish em the best of luck in his meeting wit the Lakers today."

Christina Applegate's rock star husband was detained by police in Studio City yesterday after allegedly roughing up a photog ... but the Porno for Pyros bassist insists the pap crossed the line by taking photos of his child.

The video begins with rocker Martyn LeNoble being approached by police on a street corner in broad daylight -- he was detained, and patted down.

LeNoble -- who was not handcuffed and not arrested -- then begins to tell his side of the story ... insisting a paparazzo (not a TMZ guy) tried shooting photos of his wife and 2-year-old daughter at a birthday party.

LeNoble says, "I went outside to talk to him and he got physical with me ... he wouldn't back off."

At one point, LeNoble says the pap challenged him to a fight in a back alley -- saying, "Let's see what kind of man you are."

Eventually, LeNoble was released and sent on his way without further incident ... though it sounds like he may try to take legal action against the snapper.

Celebs are clearly drawing a line in the sand about kids and it's creating a lot of issues, because there are some photographers that are not backing down.

3:00 PM PDT: Peterson just sent a series of Tweets: "God Bless everyone and thank u so much. The NFL is a fraternity of brothers and I am thankful for the tweets, phone calls and text messages from my fellow players. Thank you to my family, my fans and fans of other teams for their support."

Adrian Peterson's 2-year-old son has died ... cops have confirmed.

Cops believe Peterson's son was severely beaten by 27-year-old Joseph Patterson, the man who was dating the mother of the NFL star's child.

As we reported, the mother of the child has decided to donate the child's organs to people in need.

The boy was on life support since 5:30 PM Thursday ... but his condition never improved ... so family members made the decision to take the child off the ventilator.

Sources tell TMZ .. Adrian was informed about the situation before the news went public.

We're told Peterson will be planning the funeral with other members of the boy's family.

Patterson was initially arrested in Sioux Falls, South Dakota for assault and battery of an infant -- and now, it's almost certain the charges will be elevated to murder.

10:16 AM PT -- Multiple sources tell TMZ ... Peterson's son is currently on life support and hasn't had brain activity since 5:30 PM last night.

We're told the family is monitoring the situation closely, and if there is no improvement in 24 hours, the mother wants to remove life support and donate the boy's organs to people in need.

10:00 AM PT -- Adrian Peterson's father has confirmed ... the injured boy is, in fact, Adrian's son ... but it's NOT Adrian Peterson Jr.

The Pioneer Press spoke with Nelson Peterson ... who says, "All I can say is, we are asking for prayers and for respect for our family as we deal with this tragic situation."

8:41 AM PT -- Multiple sources with direct knowledge of the situation tell TMZ ... the injured child is Adrian's son, but it's not Adrian Peterson Jr., the child he's been famously photographed with in public over the years.

We reached out to Peterson's reps -- but so far, we have not heard back.

Adrian Peterson's 2-year-old son is currently in critical condition in a South Dakota hospital ... after he was allegedly severely beaten by the man dating the mother of his child, TMZ has learned.

The Minnesota Vikings running back immediately left his team to be with his son.

Officials tell us they've arrested the suspect, 27-year-old Joseph Patterson ... who's been charged with aggravated felony assault and battery of an infant.

According to law enforcement, emergency responders arrived to the apartment where Peterson's son was living at 5:46 PM on Wednesday ... and found the child unresponsive.

He was rushed to a nearby hospital and medical experts determined the injuries were consistent with abuse.

Law enforcement sources tell us ... the child suffered severe head injuries.

Deion Sanders tells TMZ ... he did not CHOKE SLAM an employee at the school he co-founded ... but acknowledges there was a physical confrontation.

Cops in Dallas are investigating violent allegations made by Kevin Jefferson, the CFO of Prime Prep Academy ... a charter school Deion co-founded last year.

According to Jefferson, Sanders flew off the handle after learning that some of the school's student athletes were not doing well in their classes.

Jefferson says Sanders got "upset and a little emotional" and then "grabbed me by my throat and kind of threw me to the ground."

But Sanders says it's all BS -- telling TMZ, "We locked up with one another ... but he was not physically assaulted."

He adds, "He's looking for a pay day. I did nothing to that gentleman that warranted an assault."

Sanders later tweeted, "The Person claiming assault is a fake administrator whom does absolutely nothing to help the school,kids or teachers reach our goals. Truth."

He added, "I won’t sit&witness my PrimePrep kids receive 2nds when they deserve the BEST EDUCATION!"

Well this is nuts ... a wealthy Connecticut man (who allegedly stocked hundreds of guns in his million-dollar mansion) was arrested after telling police he was building a bomb ... for Rolling Stones guitarist Keith Richards.

It's actually hilarious ... law enforcement sources tell us, 69-year-old Joseph Callahan called police last week, claiming someone had broken into his home.

When police searched the place, we're told they found a terrifying arsenal of guns and explosives, including roughly 100 pounds of ammonium nitrate (the same chemical used in the 1993 World Trade Center bombing). Short story: Callahan called the cops on himself.

Callahan told police he planned to give the bomb to Keith Richards, but had no intention of harming him.

Callahan was taken into custody and placed on a 72-hour psychiatric hold. He has been charged with 112 counts of illegal possession of explosives, reckless endangerment, and manufacture of bombs (which Callahan called a hobby).

But here's the scary part ... his lawyer tells us, Callahan was mentally unstable at the time of his arrest, but has since stabilized and been released from custody on his own recognizance.

The Jonas Brothers -- Kevin, Joe and Nick -- are close to breaking up ... they are going in 3 different directions and the band has lost its identity ... sources close to the group tell TMZ.

The Brothers Jonas just cancelled their entire upcoming tour -- 19 concerts, which was supposed to kick off Friday.

Our sources say ... the rift exploded over the release of their next batch of songs. Each brother had a different vision of where they wanted to take the band, ranging from pop to hard rock. They all agreed on one thing -- releasing anything new would be a disaster, because the style would be all over the place.

The concert cancellation may be a precursor to an official breakup, but so far no decision has been made. Our sources say the guys are meeting this weekend to try and hash things out.

We're told, "It could go either way."

The JoBros performed last night in Minneapolis ... and gave what could be their last interview as a group.

Bruce Jenner's new favorite word is clearly F**K, because he couldn't stop using it yesterday after Kris Jenner announced their separation.

Bruce was at a golf course Tuesday near the family's home in Calabasas ... and he flew off the handle at some photogs (not TMZ) who he claimed were on private property.

Fast forward to later Tuesday ... at a yogurt shop with Kendall and Kylie in the San Fernando Valley ... more F**Ks and fingers.

4:01 PM PT Sources say Bruce and Kris have been separated since June and they are reiterating what we are told from others -- that there is no plan to divorce.

3:39 PM PT Sources connected to Kris and Bruce tell TMZ ... Kris -- who is the moving force in the separation -- has NOT contacted a divorce lawyer. We're told as of now she's fine with the status quo. Fact is ... they've been separated for awhile, and Kris and Bruce don't want to screw up their reality show ... which is raking in $40 mil for the family.

Kris and Bruce Jenner have separated.

The couple issued a statement saying, "We are living separately and we are much happier this way."

Sources connected with the family tell TMZ ... Bruce has been living in Malibu full-time and spending a lot of time with his sons Brody and Brandon. Kris is firmly planted in Calabasas with her daughters.

We're told Bruce has privately told his sons living away from Kris was just the way the relationship evolved.

In their statement, they say they will continue to have love and respect for each other.

It's unclear how the split will impact their reality show.

Shortly before news of the split came out, Kris was spotted cruising solo through Calabasas ... or as she and Bruce now call it -- her side of town.

The photo has been all over social media today ... showing Bieber sitting next to a girl that looks a helluva lot like Ariana Grande -- and he appears to be holding a long joint.

As you may recall, Bieber was photographed similarly back in January ... when he was seen holding what looked like a joint at a Newport Beach party.

Sources close to both singers say the girl in the photo is NOT Ariana Grande -- and the pic was photoshopped to look like Bieber was lighting up.

However our crack art department begs to differ -- saying the light source seems consistent ... and any indicators of a doctored photo are non-existent.

Keep in mind ... our art department also made this.

Since nothing's getting done in the White House, President Barack Obama took Vice President Joe Biden out for lunch in D.C. today ... hoping to fix the country's problems over a couple of sub sandwiches.

B and J hit up the Taylor Gourmet at 1750 Pennsylvania Ave moments ago ... surrounded by an army of secret service agents.

We spoke to the manager ... who told us Obama ordered the "Race Street" sub -- which consists of roasted turkey, prosciutto, pesto and fresh mozzarella.

As for the Veep, Biden had the "9th Street Italian" sub -- Genoa salami, capicola, prosciutto, and sharp provolone.

We're told the President covered the bill -- and left a "nice tip."

We've got a tip -- GET THE GOVERNMENT BACK TO WORK ALREADY!!!!!!!

Shaquille O'Neil got one of those dreaded parking boots on his truck -- and all he had to do to get it removed for free was choke out the dude who did the the booting ... TMZ has learned.

Ok, Shaq was playfully strangling Spence Beck of ABS Booting in the video he posted on Instagram Tuesday night -- but it was all the boot man's idea.

Spence tells us a few hours after he slapped the device on Shaq's ride outside an Atlanta restaurant (someone forgot to feed the meter) ... he got a call, and instantly recognized the Diesel's voice.

According to Spence, Shaq played his cop card, saying ... “I’m a U.S. Marshal, I need you to remove this boot."

If you didn't know ... Shaq really was deputized back in 2005 when he helped feds track down sexual predators -- and that was good enough for Spence.

Spence says he told Shaq he'd waive the $75 fine in exchange for a co-starring role in one of Shaq's Instagram vids.