abc's neal karlinksky has the latest. >> reporter: el nino's fury putting lives at risk. a drone capturing that dramatic moment as part of this hillside outside of san francisco shears off, putting apartment buildings and homes in danger. >> people's houses are now on the edge of the cliff. >> reporter: weeks of heavy storms and high surf pounding the new worry as officials ask roughly 100 homeowners to move out, fearing their apartment building could now be at risk, too. >> we've been losing four or five feet a week in the past couple of weeks here. >> reporter: one of the things they're trying to do to help these people is put boulders in place to gok block some of the waves and erosion but it's just not enough. many people who live in the apartments teetering on the edge are not at all happy aboutut being asked to leave. neal karlinksky, abc news. >> pictures near san francisco. >>> when we come back, the bachelor takes a detour inside a las vegas wedding chapel. our senior bachelor analyst will have a full rundown. >> "the skinny" up next. >> announcer: "world news no

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 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. >> god, it's so scary. also the home values for these people who invested so much and now to see your house falling >> those are million dollar condos and

neal karlinksky, abc news, burns, oregon. >>> well, the missouri police department agreed to an overhaul following an officer's fatal shooting of an unarmed black teenager. the plan calls for extensive training, improved procedures for the use of force and recruiting more minority personnel. a federal civil rights lawsuit. >> one upside emerged after wal-mart's announcement it's closing more than 100 stores. prices at those stores, there are falling prices cut by 75%. shoppers in some small towns are furious saying the retail giant forced homegrown businesses outs well. here's abc's steve osunsami. town of oriental, north walmart. >> they don't care about rural america. >> the town depended on us. >> reporter: renee ireland smith took us to what's left of her family's grocery store that was forced to close in october after 45 years, because it couldn't compete with walmart's everyday low prices. she learned just two weeks ago that the walmart here is closing, too. they got here. but now we're broken. >> reporter: her anger is shared across america. 269 stores are closing for business rea

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. 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 another six feet at least. a safety video put out by the northwest avalanche

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 annoying as it is unexplained. [ 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. >> 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. >>

here's abc's neal karlinksky. been missing a big slice of the pie. welcome to the world's largest pizza convention where dough spinning is an art form and serious international saturday night fever with pizza dough. >> check. >> if i'm going to work out, i'm going to spin dough. >> workout spinning dough. >> just as good as running. >> britney saxton from a small town in ohio practices year round for her annual pilgrimage here, like the olympics of pizza. >> normally girls don't win this. i'm beating all these guys that think they're better than i am. >> it turns out being good at eating pizza doesn't qualify you for making it. >> i'm not getting a lot of air. >> especially the spinning part. >> there you go. former champion spinner joe carlucci says american style pizza is exploding in parts of the world that might surprise you. >> when you see korea here, japan, australia, brazil is here they're all here for pizza. >> reporter: every ingredient, imagine is here. dairy free pizza that tastes like real cheese. gluten free with beets on top. they have

neal karlinksky, abc news, las vegas. >>> mm. >> is this when the pizza gets delivered? >> we always forget to get the pizza delivered. jacko, that was your part. >> the pizza must have gotten lost with the waffles and the chocolate. >> i take it those are on the world news tonight set. always. no matter who he is, especially if he's kendis gibson. >> look at that. >> i look kind of -- >> now we know where the pizza >>> making news in america this morning, fight night in florida. another contentious debate between bernie sanders and hillary clinton. >> excuse me, excuse me. after all -- >> the deadlines battling out, their final pitch before the next big primary day. >>> plus, donald trump looking more confident than ever dancing into a rally. >>> breaking overnight an all-out search for two gunmen after opening fire on a group of people. the details just coming in. >>> midflight melee. a group of women pulling hair and throwing punches in the aisle of a packed passenger plane. >>> and color debate.

here's abc's neal karlinksky. 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. the website says it's closed adding we thank you for all the prayers. >> reporter: the attorney general isn't interested in his 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 these charitable organizations chur

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 method for unlocking the phone. apple has fought the 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