tee ganyard/ abc news aviation consultant john nance / abc news aviation analyst lana zak / abc news washington this mornig,th rmans of more than 140 bodies are returning to grief- striken families in st. petersburg, russia. nats among the 224 dead, 25 children....these photos show happy families ready to make their way home from a vacation in the resort town of sharm al shaik, egypt today, authorities are digging deeper into the mystery of what brought down the plane just 23 minutes after take-off. ganyard this happened so quickly so instantaneous ly that we may not be any evidence on those black boxes so what's going the ground, howit's ai ot. nats with 8-miles of scattered debris, one theory--a bomb. sot - john nance / abc news aviation analyst "the probability is here with an in-flight breakup that something caused that, something on the order of a bomb or an incendiary explosion of some sort in the airplane." another theory: human error or a problem with the plane. nats the ex-wife of the co-pilot says he had complained about the airbus 321, including on the morning of the crash

sot - john nance / abc news aviation analyst "the probability is here with an in-flight breakup that something caused that, something on the order of a bomb or an incendiary explosion of some sort in the airplane." another theory: human error or a problem with the plane. nats the ex-wife of the co-pilot says he had complained about the airbus 321, including on the morning of the crash. and a final theory... could terrorists on the ground have taken out the plane? an isis-linked group claimed respnsbiit, utinelligence officials say they lack the missiles that could take out a plane flying at 31-thousand feet. ganyard the claims from the terrorist groups does not jive with what happened to the airplane. and while terrorism from the ground is doubtful according to experts, several airlines have refused to fly over the region until authorities figure out exactly what went wrong. lz, abcn, w republican presidential campaigns have a list of demands for future debates. representatives say they want more control over negotiating with tv networks on format - after last week's highly- criticiz

sot - john nance / abc news aviation analyst "the probability is here with an in- flight breakup that something caused that, something on the order of a bomb or an incendiary explosion of some sort in the airplane." egypt says there was no distress call or sign of a mechanical problem before. but just after 20 minutes after takeoff - the metrojet plane began to quickly descend from 31- thousand feet - then disappeared from radar. nats the co-pilot's ex-wife told russian t-v that her husband had technical issues with the 18-year-old airbus 321 - including that fateful morning. sot - steve ganyard / abc news aviation consultant "russian commercial aviation has about the worst safety record in the world." militants in the sinai linked to isis quickly claimed responsibility? but intelligence officials say they do not have the weapons to shoot down a plane that high. nats in st. petersburg,- where the plane was supposed to land: grief-stricken family members gathered at the airport? the rest of the nation went to church - lighting candles in memory of the victims. in sharm el-sheikh, egypt

sot - john nance / abc news aviation analyst "the probability is here with an in-flight breakup that something caused that, something on the order of a bomb or an incendiary explosion of some sort in the airplane." egypt says there was no distress call or sign of a mechanical problem before. but just after 20 minutes after takeoff - the metrojet plane began to quickly descend from 31- thousand feet - then disappeared from radar. nats the co-pilot's ex-wife told russian t-v that her husband had repeatedly complained about technical issues with the 18-year-old airbus 321 - including that fateful morning. sot - steve ganyard / abc news aviation consultant "russian commercial aviation has about the worst safety record in the world." militants in the sinai linked to isis quickly claimed responsibility? but intelligence officials say they do not have the weapons to shoot down a plane that high. nats in st. petersburg,- where the plane was supposed to land: grief-stricken family members gathered at the airport? the rest of the nation went to church - lighting candles in memory of the victim

john nance / abc news aviation analyst "the probability is here with an in- flight breakup that something caused that, something on the order of a bomb or an incendiary explosion n some sort in the airplane." another theory:

sot - john nance / abc news aviation analyst "the probability is here with an in-flight breakup that something caused that, something on the order of a bomb or an incendiary explosion of some sort in the airplane." another theory: human error or a problem with the plane. nats the ex-wife of the co- pilot says he had complained about the airbus 321, including on the morning of the crash. and a final theory... could terrorists on the ground have taken out the plane? an isis-linked group claimed responsibility, but intelligence officials say they lack the missiles that could take out a plane flying at 31- thousand feet. ganyard the claims from the terrorist groups does not jive with what happened to the airplane. (on cam) and while terrorism from the ground is doubtful according to experts, several airlines have the region until authorities figure out exactly what went wrong. lz, abcn, w verbatim: " sabrina: news-- a trapeze artist almost falls to a performance in almost falls to his death during a performance in philadelphia. sabrina: performer is now in stable condition after feet and

sot - john nance / abc news aviation analyst "the probability is here with an in-flight breakup that something caused that, something on the order of a bomb or an incendiary explosion of some sort in the airplane." another theory: human error or a problem with the plane. nats the ex-wife of the co- pilot says he had complained about the airbus 321, including on the morning of the crash. and a final theory... could terrorists on the ground have taken out the plane? an isis-linked group claimed responsibility, but intelligence officials say they lack the missiles that could take out a plane flying at 31- thousand feet. ganyard the claims from the terrorist groups does not jive with what happened to the airplane. (on cam) and while terrorism from the ground is doubtful according to experts, several airlines have refused to fly over the region until authorities figure out exactly what went wrong. lz, abcn, w verbatim: " elias: we're back with meterologist sam schreier... sam: (sam adlibs) sam: weather adlib: now either we all overslept with the time change and woke up in may, or mother n

sot - john nance / abc news aviation analyst "the probability is here with an in-flight breakup that something caused that, something on the order of a bomb or an incendiary explosion of some sort in the airplane." egypt says there was no distress call or sign of a mechanical problem before . but just after 20 minutes after takeoff - the metrojet plane began to quickly descend from 31-thousand feet - then disappeared from radar. nats the co-pilot's ex-wife told russian t-v that her husband had repeatedly complained about technical issues with the 18-year-old airbus 321 - including that fateful morning. sot - steve ganyard / abc news aviation consultant "russian commercial aviation has about the worst safety record in the world. " militants in the sinai linked to isis quickly claimed responsibility? but intelligence officials say they do not have the weapons to shoot down a plane that high. nats in st. petersburg,- where the plane was supposed to land: grief-stricken family members gathered at the airport? the rest of the nation went to church - lighting candles in memory of the victi

john nance / abc news aviation analyst "the probability is here with an in- flight breakup that something caused that, something on the order of a bomb or an incendiary explosion of some sort in the airplane." another theory: human error or a problem with the plane. natsts the ex-wife of the co-pilot says he had complained aboutut morning of the crash. and a final theory... could terrorists on the ground have taken out the plane? an isis-linked group claimed responsibility, but intelligence officials say they lack the missiles that could take out a plane flying at 31- thousand feet. ganyard the claims from the terrorist groups does not jive with what happened to the airplane. for allegedy selling the synethenic marijuana drug... k-2... that may have caused the death a west high school senior. 18 year-old rose autumn mouw.. .is charged with involuntary manslaughter...an d delivery of a controlled substance. the charges stem from the death of 18 year-old high school senior...austin mccloud. mc-cloud died last april...after smoking the drug "k-2"... he allegedly purchased from mouw. mouw has

nance. carson and trump will be interviewed by john dickerson this sunday on "face the nation." today, president obama denied permission for the keystone xl pipeline, a victory for environmentalists, after a seven-year battle. keystone would have carried oil from canada's tar sands more than 1100 miles to refineries on the gulf coast. the president said apriewchg the pipeline would have undermined american leadership on climate change. the labor department said today that the economy added 271,000 jobs in october, the strongest growth this year. the unemployment rate fell to 5%, the lowest since 2008. our senior national correspondent anthony mason has >> reporter: scott, this was the best month for job growth since last november, led by the strongest hiring in construction august and september were revised upwards as well. there were a lot of encouraging signs in this surprisingly strong report, especially wages, which are now up 2.5% over the past 12 months. that's the strongest growth since 2009. >> pelley: so what does all this mean to interest rates? >> reporter: well, fede

nance, thank you. cbs news will bring you the next democratic debate from des moines, iowa, on saturday at 9:00 p.m. eastern. our john dickerson, the anchor of "face the nation" will be the moderator. two americans were killed today when a jordanian police officer opened fire at a training center near amman. the two americans worked for u.s. government contractor training palestinian police. three others were killed. the officer was shot dead. his motive is not clear. an act of terror is suspected in the russian jet tragedy, and cbs news has learned that investigators are focusing on the sinai branch of isis. the leading theory is that a bomb brought down the plane over egypt, killing all 224 on board. russia has canceled regular flights to egypt and is evacuating more than 40,000 of its citizens. today a u.s. senator called for hearings after a "60 minutes" investigation last night. john tester of montana said that the broadcast exposed flaws in background investigations that are used to grant security clearances to federal employees and contractors. tonight we have more of our investigation on this broadcast, this

nance, thank you. cbs news will bring you the next democratic debate from des moines, iowa on saturday at 9:00 p.m. eastern. our john dickerson, the anchor of "face the nation," will be the moderator. >>> two americans were killed today when a jordanian police officer opened fire at a training center near amman. the two americans worked for a u.s. government contractor training palestinian police. three others were killed. the officer was shot dead. his motive not clear. >>> an act of terror is suspected in the russian jet tragedy, and cbs news has learned that investigators are isis. the leading theory is that a bomb brought down the plane over egypt, killing all 224 on board. russia has canceled regular flights to egypt and is evacuating more than 40,000 of its citizens. today a u.s. senator called for hearings after a "60 minutes" investigation last night. john tester of montana said that the broadcast exposed flaws in background investigations that are used to grant security clearances to federal employees and contractors. tonight we have more of our investigation on this broadcast. this time a look at how peopl

nance, thank you. cbs news will bring you the next democratic debate from des moines, iowa on saturday at 9:00 p.m. eastern. our john dickerson, the anchor of "face the nation," will be the moderator. >>> two americans were killed today when a jordanian police officer opened fire at a training center near amman. the two americans worked for a u.s. government contractor training palestinian police. three others were killed. the officer was shot dead. his motive not clear. >>> an act of terror is suspected in the russian jet tragedy, and cbs news has learned that investigators are focusing on the sinai branch of isis. the leading theory is that a bomb brought down the plane over egypt, killing all 224 on board. russia has canceled regular flights to egypt and is evacuating more than 40,000 of its citizens. today a u.s. senator called for hearings after a "60 minutes" investigation last night. john tester of montana said that the broadcast exposed flaws in background investigations that are used to grant security clearances to federal employees and contractors. tonight we have more of our investigation on this broadcas

nance, thank you. cbs news will bring you the next democratic debate from des moines, iowa on saturday at 9:00 p.m. eastern. our john dickerson, the anchor of "face the nation," will be the moderator. >>> two americans were killed today when a jordanian police officer opened fire at a training center near amman. the two americans worked for a u.s. government contractor training palestinian police. three others were killed. the officer was shot dead. his motive not clear. >>> an act of terror is suspected in the russian jet tragedy, and cbs news has learned that investigators are focusing on the sinai branch of isis. the leading theory is that a bomb brought down the plane over egypt, killing all 224 on board. russia has canceled regular flights to egypt and is evacuating more than 40,000 of its citizens. today a u.s. senator called for hearings after a "60 minutes" investigation last night. john tester of montana said that the broadcast exposed flaws in background investigations that are used to grant security clearances to federal employees and contractors. tonight we have more of our investigation on this broadcas