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 government's attempts to force it to weaken iphone security so 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 th

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? >> 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 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 years since sci-fi became science reality

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 remember to tip your pizza man. always. no matter who he is, especially if he's kendis gibson. >> look at that. >> i look kind of -- >> i ate it all. insomnia >>> 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. bernie sanders' suit stealing the s

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 coastline here. 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 about 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. >> announc

neal karlinksky, abc news, bend, oregon. >>> to india where the damage is being cleared after a powerful earthquake. the 6.7 quake struck 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

. >> more than 5,000 people have lost $30 million so far and abc's neal karlinksky has the story, including a father rushing to protect his son. >> reporter: with tax day looming, shameless phony irs agents are burning up the phone lines. >> the total balance outstanding on your name is $3,680. did you do this intentionally or was it by mistake? >> i am not aware of this at all. >> reporter: that is the sound of a call scott alexander a scam to the tune of $500. the fake agent threatening his son with arrest if he didn't pay up. >> go to the walgreens right now, just bring a debit card with you. >> reporter: enraged, scott called back to record the scam and got a similar threat. >> i'm sending the cops to your doorstep right now. >> when they said, hey, we're going to come get you, that's when it just changed in his mind and he had to comply. >> it seemed like it was in a movie. just very unrealistic, but my fear got ahold of me. >> reporter: so we called the fake irs agents for ourselves to give them an audit of our own, but only 24 hours later -- >> please check the number and dial again.