here's abc's neal karlinksky. >> hit the jump. hit it. >> reporter: a father and son back country ski outing turning to a heart pounding fight for disappears amidst the trees. he's fallen out of sight in that tree well. >> ethan? winston gaus digs his son out. the boy fighting sef indication. >> here we go. here we go. i got you. >> i need to breath. >> reporter: the video now viewed more than a million tiles online as this father us his close call 0 warn others causing it the most frightening experience he's had as a parent. >> i remember sitting there watching the video with him and my leg was shaking just a bit. it was pretty emotional afterwards. it was a true moment, know, for me to pull him out. >> i had a near death experience. >> you never expect something like that to happen to you. but once it does it's kind of shocking. >> reporter: it's hard to see till you're up close. these branches block so much snow. one step down there you sink a safety video put out by the northwest avalanche institute shows just how paralyzing i

neal karlinksky, abc news, burns, oregoning. >> coming up in our next half hour, a major development in the case of the so-called affluenza teen ethan couch back in the u.s. this morning after weeks on the run in mexico. what kind punishment will he face now? >> first, putting those virtual assistants to the test. siri versus core tan nab versus google. the one that came out on top. you're watching "world news now." >> announcer: "world news now" abc stations. periscope with a new live streaming feature allowing users to broadcast video in realtime directly to friends via their social network account. as of now, it is only available for iphone users in the u.s. >>> a new hi-tech tool is proving to be invaluable to law enforcement. it's called ocular based lie detection technology that uses infrared tracking to monitor eye behavior and the creator says it works more quickly and accurately than traditional methods to determine whether a person is lying during questioning. >> can you use it on your kids. >> you can use it on your hubby. >> okay. now we're talking, huh. >> it's been five

abc's neal karlinksky now on deepening mystery. >> reporter: as mysteries go, there aren't many that can match this one for being just as that high pitched sound, wreaking havoc on forest grove, oregon, for weeks, mainly at night, even waking people up. >> it sounds like brakes to me. the cyclical, you know, screeching of, you need to change your brakes. >> reporter: local officials have ruled out a water valve, gas leak or wildlife. and the nearest train track is rarely used. >> want to hear the most annoying sound in the world? [ screeching ] >> guys, guys, guys! >> reporter: unlike "dumb and dumber," this sound isn't so funny to people who live here. the fire department doesn't know what it is either. >> welcome "the x-files" back on tv again, so, here we are. >> reporter: the truth is out there, and whatever it is, it sure is loud. and baffling. [ screeching ] neal karlinsky, abc news, seattle. >> you know, yesterday our crew sort of figured it out. and our belief, i mean our crew water system. >> that that's that loud out there in the winter. >> collect the water system. that's

neal karlinksky is there with the latest for us. >> reporter: el nino's fury ripping apart a chunk of the coastline. a drone video catches a huge slab falling away. police have yellow tagged an entire apartment building telling residents to get out while they still can. did you sleep with one eye open? >> yeah, alert. time to go. >> reporter: take a look at this. this bluff in the city of pacifica battered by rough surf and pounding rains, leaving homes and businesses in danger of falling. underneath here, and the entire coastline continues to fall away with no end in sight. this home's patio is poking out with little support. pictures from before show the dramatic difference. despite the threat, some residents refusing to leave. >> you guys will have to physically drag me out. >> reporter: despite efforts to shore up the bluff, the people here know the danger is far from over. neal karlinsky, abc, pacifica, california. >> god, it's so scary. also the home values for these people who invested so much and now to see your house falling into the ocean. >> those are million dollar condos

here's abc's neal karlinksky. >> the hunt is on to dissect every moment of these three possible terror suspects' lives a search that will run straight through their cell phones as law enforcement struggles to uncover their digital footprints. investigators faced the same challenge last year in paris uncovering a huge stash of disposable cell phones can activated one day before the attacks. investigators continue to struggle to unravel the iphone used by said farouk. the justice department says it may not need apple at all. and telling a judge an outside party demonstrated to the fbi this past weekend a possible apple has fought the government's attempts to force it to weaken iphone security so investigators can break in. >> we have a responsibility to help you protect your data and protect your privacy. >> but it's not just apple. there are a number of encrypted third party messaging apps known to be used by terrorist and law enforcement worldwide is struggling to keep pace. neal karlinksky, abc news, cupertino, california. >>> big mystery who was that third party. >> that is the big m

neal karlinksky has the latest. >> reporter: a huge convoy of heavily-armed police could be seen streaming into the those last armed occupiers left inside had been sending out videos on youtube, ranting about the federal government. >> just drop the charges and nobody dies. >> police released a video that shows the moment armed rank rancher lavoy finicum is killed by police. sources say finicum sped away from the police traffic stop that led to the arrest of his fellow occupiers, crashing into a snow bank. once out of his truck, they say he was told to put his arms up, but instead, brought them down and could be seen reaching for a gun. that is when he was shot. now, the standoff that began 26 days ago, when heavily-armed ranchers took over this wildlife refuge, paralyzing a small community, appears to be almost at its end. >> we never wanted bloodshed. we verbalized this many, many times. and we continue to do so. >> reporter: investigators out here are conducting a full investigation into exactly what happened. meanwhile out at the compound, we now have reports of perhaps as few as five

neal karlinksky, abc news, seattle. >>> got feel bad for her. clearly something wrong there. aviation consultants actually say the crew could have done a better job here. they should have called the paramedics before calling the police. >> that was one of the first things they do. that flight was heading to portland, oregon. i get sometimes over not having peanuts on a flight. that quite that sort of temper tantrum that took place there. it's getting increasingly hostile in the air for many people. by the time you get on the flight, you've gone through all the sa lines we've talked about. >> people's patience runs low. every now and then you find a passenger having a problem. sometimes it helps to catch the warning signs before it gets to that point. that's kind of what they're saying. either the crew could have handled it better or maybe the gate agents need to keep a better eye out. even passengers. if you see someone that seems like they're agitated maybe there's a way to circumvent it. >> if you're feeling agitated on a flight, order a vodka shot. >> coming up, young tale

neal karlinksky, abc news, bend, oregon. >>> to india where the damage is being cleared after a powerful earthquake. the 6.7 quauaketruck before dawn in a remote part of the northwest near the border we're told with myanmar and bangladesh. so far at least five people are reported to have died most buried under collapsed buildings. you can see why looking attives. more than 100 others have been injured. >>> residents of kentucky, tennessee and other states further south are bracing for miss river flooding. the crest has moved beyond southern missouri and illinois leaving behind this destruction, disruption and death. a 25th fatality confirmed yesterday when the body of a teen was recovered. he and a friend tried to drive through a flooded area last week. >> let's move to the campaign trail now and donald trump is speaking out after he appeared in a terrorist recruiting video. trump says it comes with the territory when the you're the front-runner, and he has to say what he has to say. instead, he's blaming hillary clinton. claiming she created isis when she was secretary of state. trump a

. >> reporter: neal karlinksky, washington. >> that i never even thought of. >> i love all that fresh powder. >> coming up, mail carriers are no stranger to danger. >> traditionally it's the occasional nasty dog. in a new jersey community, it was wild turkeys. introducing new k-y touch gel cr me. for massage and intimacy. every touch, gently intensified. a little touch is all it takes. wait oh, yes, wait a minute mr. postman, wait, wait mr. postman snee postal carriers are lauded for their adherence to their unofficial motto. >> neither snow nor heat nor rain nor gloom of night saves these carriers from the swift with completion of their appointed rounds. >> some people hear roosters. around here we wake up to gobble, gobble. >> reporter: it seems wild culled desack in hills dale. >> if you shoo them, they leave. >> no, they don't run. >> reporter: which is why we were here in the first place. >> i think that's ridiculous. it's silly. >> reporter: helen is talking about what happened after wild turkeys, yes, we found them, surrounded a letter carrier's truck obtuse. he was so upset, c

here's abc's neal karlinksky. >> reporter: more than 100,000 people seeking spiritual help flocked to christian prayer center desperate for the power of prayer and the help of pastors like jon karl son. >> people are thinking their problems are going to be solved. >> reporter: the online church came with a fee of between $9 and $35 for prayers. washington state's attorney general says it was all a scam. pastor carlson is outraged too saying his name was used without his permission. in fact, investigators say all kinds of fake religious leaders and testimonials were used to entice people to the tune of $7 million worth of paid prayers between 2011 and 2015. all of it, they say, the brainchild of this man, benjamin ragovie. >> he was asking people to give money under deceptive circumstances. >> he couldn't be reaped for comment. adding we thank you for all the prayers. >> reporter: the attorney general isn't interested in his prayers and they want cash. he's now agreed to pay back $7.5 million to more than 1507b,000 commerce. >> there's actually a customer protection act that prevent th