neal karlinksky, abc news, burns, oregoning. > incredible video. >> 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? assistants to the test. siri versus core tan nab versus google. the one that came out on top. you're watching "world news now." 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 >>> 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 years since sci-fi became science reality for most consumers when apple first bundled

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 and telling a judge an outside party demonstrated to the fbi this past weekend a possible method for unlocking the phone. 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

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 seconds as 5-year-old ethan goss 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. >> 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 another six feet at least. a safety video put out by the northwest avalanche institute s

abc's neal karlinksky has details. >> reporter: the west is burning. a combination of excessive heat warnings and wildfires baking the region and threatening to shatter records in four states. >> the record is 115, expected to hit 118. >> reporter: in arizona, 25-year-old anthony quatela died and his friend was hospitalized after they ran out of water hiking this trail in the extreme heat. in phoenix, we found this father and his kids trying to help others by donating water. >> just give back, you know. i don't know. something to do. it was hot. >> reporter: the homeless, the elderly and even pets, all being given special attention amidst warnings the heat can be a killer. cooling stations are now open. >> we don't have earthquakes, tornadoes or hurricanes but the heat is our disaster. >> reporter: with a heat measuring gun in hand, we surveyed the temperatures on the ground. 158 degrees. 171 on this swing. the slide, 185 degrees. careful with the door handle. out in the sun, 146 degrees. many staying inside. >> when you're dehydrated, your head starts

neal karlinksky is there with the latest for us. >> reporter: el nino's 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. just imagine if this was your balcony. 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. 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

abc's neal karlinksky now on >> reporter: as mysteries go, there aren't many that can match this one for being just as [ screeching ] 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. 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 thought it was something in the water system. >> that that's that loud out there in the winter. >> collect the water system. that's wha

neal karlinksky, abc news, wichita, kansas. >> let's get the forecast not only for that region but also where the storm is going next. >> accuweather's paul williams joins us now. paul, good morning. >> good morning to you, as well. kendis, diane. unfortunately, we have another set of severe storms that will rip its way throughout the mississippi valley region from st. louis all the way down towards memphis, reaching down towards new orleans and eventually affecting the folks in springfield as well as little rock over toward shreveport and encompassing houston where it's not needed but it is going to hit. torrential down pours, isolated tornadoes, damaging winds and possibility of even worse storms. and if that's not enough, we have another very strong system that's going to slide across is the pacific northwest. and it will make its way throughout arizona and new mexico. now, this is how it's going to shape up. we'll have a strong jet stream that will create even more problems with additional storms that will flare-up again on friday in texas. diane, kendis. >> all right. our thanks to

neal karlinksky, abc news, seattle. >> got to 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 upset sometimes over not having peanuts on a flight. not 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 other passengers. the crew can't catch everything. if you see someone that seems like they're agitated maybe there's a way to circumvent it. before it gets the to that point. >> if you

neal karlinksky, abc news, burns, oregon. > incredible video. >>> coming up in our next half hour, a major development in the case of the so-called affluenza teen, ethan couch, back in the usa 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 cortana versus google. the one that came out on top. you're watching "world news now." >> announcer: "world news now" >> announcer: "world news now" continues after i thought, "the red cross does katrina. they don't help single moms. hi. hi. what happened to our house last year? it flooded. and the water flooded out. yeah. the red cross arranged the hotel for us. they gave me that break, that leverage, to be able to get it together and... take care of them, you know? i feel like we've come full circle. like that! this is how i'll do it. sarah: there you go. ♪ >>> facebook is taking on periscope with a new live streaming feature. it allows users to broadcast video in realtime directly to friends via their social network act. account. as of n

neal karlinksky, abc news, cupertino, california. >> big mystery, who was that third party? >> that is the big mystery. >> apple so far, they sound a little skeptical of how that third party is going to break into it. there was during a conference call with a senior executive for apple on monday, they were saying the company wants more information about the method that would be used to break that iphone. i don't think they quite believe it is possible. >> my iphone did break over the weekend. cracked right in the middle and i can't touch it. >> not somebody hacking into it. >> no, but cracking is devastating enough. >> okay. all right. >> got to get that fixed today. >> there is that first world problem we'll call it. >>> well, coming up, the world rallying around brussels. >> look at these images, everybody, all around the world, remembering brussels and belgium. and belgium. e one thing i need to be predictable is to be flake free. because i have used head and shoulders for 20 years. used regularly, it removes up to 100% of flakes keeping you protected every week, every mo

here's abc's neal karlinksky. >> reporter: more than 100,000 people seeking spiritual help flocked to this website, christian prayer center, desperate for the power of prayer and the help of pastors like john carlson. >> people are thinking their problems are going to be solved. >> reporter: the online church came with a digital collection plate, 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 rogovy. >> at the basic level, it's a scam and he was asking people to give money under deceptive circumstances. >> reporter: rogovy couldn't be reached for comment. the website is closed saying, we thank you for all the prayers. they say he's now agreed to pay back $7.75 million to more than 150,000 customers. neal karlinksy, abc n