KNOW IT ALL: Friday's Top 7 Stories at NBC News

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Good morning. Here are some of the stories we're following today:

1. Checked Bags in Spotlight Amid Russian Jet Bomb Theory

Air security concerns following the Russian jet crash in Egypt focused on checked luggage Friday, as U.S. authorities reviewed screening for passengers at overseas airports. Several international airlines departing Egypt said they would allow only carry-on baggage as consensus grew that a bomb placed in the cargo hold was likely responsible for the disaster. Read more in NEWS.

2. Illinois Cop Accused of Years of Misconduct: Report

Fox Lake Lt. Joseph Gliniewicz — who committed suicide and tried to make it look like a heroic death in the line of duty — clashed for years with many of his own colleagues, who accused him of extraordinary misbehavior on and off the job, according to personnel records. Read more in NEWS.

3. Chris Christie Falls Short of Main GOP Debate Stage

The New Jersey governor will not be on the main debate stage when Republican presidential candidates square off for their fourth debate Tuesday night. It is a blow to Christie, who had otherwise seen a slight uptick in the polls after a strong performance at the CNBC debate last month. Read more in POLITICS.

4. College Stabbing Suspect Was Set Off by Snub: Cops

Faisal Mohammad, the college freshman who stabbed four people at the University of California, Merced, before being killed by police, apparently carried out the attack because he was upset over being kicked out of a study group. Read more in NEWS.

5. How One Girl’s Search Brought Her Dozens of Siblings

The Case-Adams family recently hosted a "sperm donor sibling" reunion at their Indiana home to have a day where all the kids can be together. The arrangement ultimately includes at least 47 potential brothers and sisters the family is aware of — but they can't really be sure. Read more in TECH.

6. Mormons Bar Children of Gay Couples From Baptism

The Church of Jesus Christ of Latter-day Saints has instructed local church leaders that same-sex couples are apostates and that children living with them can't take part in church activities until they're adults and leave home, the church said Thursday night. Read more in NEWS.

7. ‘Star Wars’ Superfan Gets Dying Wish Granted

Daniel Fleetwood, who wanted to watch the upcoming movie "The Force Awakens" before he dies, has been allowed to watch an unfinished version of the film. The Texas man was diagnosed with a rare connective tissue cancer two years ago, and on Sept. 2, his oncologist said he has two months to live. Read more in POP CULTURE.

Nightly Spotlight

A Georgia trooper had to tell four siblings that their parents were killed in a car crash, but when he found them in costume on Halloween, he did something else first.