Teen Mom

"Teen Mom 2" star Jenelle Evans is in trouble with the law ... again ... after the 19-year-old was arrested for violating her probation in North Carolina yesterday.

Officials have not released any further details on Evans' arrest.

Evans was sentenced to 12 months probation after pleading guilty to possession of drug paraphernalia back in April.

6:20 AM: Jenelle's lawyer tells TMZ ... Evans had a meeting with her parole officer yesterday and tested positive for marijuana and opiates.

We're told Evans was arrested and placed behind bars on $10,000 bond ... but she was eventually released.

Kieffer Delp -- the boyfriend of "Teen Mom" Jenelle Evans -- was arrested for assault in North Carolina recently ... after allegedly punching a girl and her male friend in front of a convenience store.

According to the police report, obtained by TMZ, it all went down on June 16 -- for some reason, Kieffer decided to get aggressive with one of Jenelle's former friends ... and things quickly escalated, with Kieffer PUNCHING both her and her male companion.

According to the report, when police arrived ... the male was "bleeding heavily."

We're told Kieffer -- who's NOT Jenelle's baby daddy -- turned himself in a week later and was arrested for simple assault and assault on a female. He's due in court on August 31.

"Teen Mom" star Gary Shirley gave short, concise answers to all our photog's questions when we spotted him in Malibu on Friday ... and he didn't need to say much to communicate a lot.

19-year-olds Catelynn Lowell and Tyler Baltierra -- who are best known for giving their daughter Carly up for adoption on the show -- singed a lease on an apartment in Marine City, Michigan, in August, 2010. The big move was featured on the MTV show.

But according to court docs -- the couple stopped paying their rent in December 2010 ... so their landlord gave them an eviction notice -- and took them to court!

It didn't turn out well for the couple -- who agreed to give up their $450.00 security deposit, pay an additional $450 in back rent and move the hell out of the building.

Evans was in court over her infamous girl-on-girl street fight back in March -- when she pummeled one of her neighbors to a bloody pulp ... all over a boy. Evans was charged with a misdemeanor for her role in the brawl.

According to the North Carolina probation report, Jenelle tested positive for THC on July 13 -- the psychoactive ingredient in marijuana -- and even admitted to smoking out [also known as "smoking up" on the East Coast]. She was informed about the test results on July 15.

But on July 17, she posed for these pictures -- in which she appears to be smoking marijuana.

Jenelle originally posted a message on her Facebook page, claiming she thought the pain was from her appendix -- saying, "heading to the hospital, i think my appendix are about to rupture. been up since 2am crying."

But according to her rep, the 19-year-old had a cyst on her ovaries -- which isn't that uncommon for a girl her age.

TMZ obtained a copy of the 911 phone call Gary placed yesterday, in which he says Amber had recently mentioned that she was "having a hard time with her life" and he feared she might commit suicide.

Gary, who sounded very calm on the phone, explained, "I just spoke with my girlfriend and she had said something to me ... said she's having a hard time with her life ... call the police, they can find my body in the garage."

Gary added, "I'm calling you guys because I don't want her to kill herself."

Cops in Anderson, IN tell TMZ, someone called police from Amber's home -- claiming the 21-year-old "was depressed and threatening to end her life."

According to law enforcement, Amber did not appear to be injured when cops arrived -- and she was promptly taken to a nearby medical facility for further evaluation.

According to the police report obtained by TMZ, the officer was concerned about a couple arguing inside of a Silver Dodge parked near the police station around 1:30 AM ... so he approached the vehicle.

The officer says Gary introduced himself and Amber as the couple from "Teen Mom" -- and that's when the cop asked for some ID. The officer ran a check on Gary's license -- and it came back suspended, so he ordered Gary out of the car.

According to the report, "I placed Mr. Shirley in two sets of handcuffs due to his size." Gary was taken to a nearby jail and his bond was set at $3,000. He has since been released.

Gary's lawyer, Jeff Lockwood, tells us ... "I am not concerned about him being sentenced to a jail term. It's a traffic violation and Gary doesn't have a previous criminal history."

According to reports, Amber Portwood's baby daddy was arrested at 1:34 AM for "driving while suspended" -- a Class A misdemeanor.

Custody was awarded to baby daddy Gary Shirley instead -- after an Indiana judge decided he was a more suitable parent ... at least for the time being.

But it wasn't because Amber's an unfit mother -- according to court testimony today, Child Protective Services recommended that Gary have primary custody because of recent vandalism to Amber's house and car.

CPS was nervous about Amber's living conditions -- so both parties agreed it would be best for baby Leah to stay with Gary until further notice.

And they said it wouldn't last.

Jo Rivera -- who goes by the rap moniker N.I.C.K.B. -- has released a music video for his song, "Unthinkable Remix" ... in which he tries to seduce an older woman.

But not everyone is a fan of Jo's career -- his baby mama, Kailyn Lowery, tells us, "I think he has his priorities mixed up right now. He should be spending quality time with his son while he’s not working."