stabbing jeff neville while yelling in arabic and making references to people being killed in syria, iraq, and afghanistan. the attack is being investigated as act of terrorism. authorities in montreal have been working at his home, looking into his personal life. a former milwaukee police officer has been found not guilty in the shooting death of a black man. now the victim's family has file add civil lawsuit against that officer. pierre thomas reports. >> reporter: it was a deadly encounter with police over in seconds. caught on an officer's body cam. here we see dominique hagen brown pursuing seville smith. less than two seconds later, a second and fatal shot is fired. smith dies at the scene. the incident last summer sparking protests and

pros securities say smith was defenseless when shot in the chest. the defense saying the officer feared for his life, making a split-second decision. a milwaukee county jury found the officer not guilty in the shooting last august. the familiar any anguish over the verdict. >> we're not animals. every time they take a shot, it's to kill you. it's to kill you, because a dead man can't talk. >> reporter: but the police chief says the former officer was vindicated. a year ago i'd told the public i'd seen nothing in the video that was a violation of the law or policy. this is the second officer acquitted in the fatal shooting of a black man in less than a week. exposing raw feelings and deepening divisions between police and some minority communities. pierre thomas, washington. the funeral for otto warmbier will be held this morning in the auditorium of his cincinnati high school. he died less than a week after being released by north korea after a year and a half in prison there. he was in a coma when he

returned. there are now white and blue ribbons throughout the hometown that he's from in his memory. the funeral will be open to the public. nand in virginia, a 17-year-old was beaten with a bat and dumped in a bond after a dispute with a man in a car. family members say it may have been a hate crime. but police say they have no evidence of that. they believe it was a deadly road rage incident. a 22-year-old man has been charged with her murder. a new jersey teen who hasn't walked in years has taken important steps. classmates applaud for him as he picked up his diploma last night. he has a degenerative neurological disorder that kept him in a wheelchair through high school. thanks to the help of a special device he kept his promise to walk across that stage. >> ah, that's awesome. >> that is fantastic. >>

for a couple. congratulations can be in order there, too. unless you're the bff who's having trouble letting go. >> wedding pictures show how tough it can be. so that's cody's best friend mitch, sitting there to their right in the wedding photos. the bottom of their boots spells out, "i don't." >> in this one, brittany's boots say "i won." mitch's boots come back with "shut up." he does have a girlfriend. and he says she's the one who found the photos to be the funniest. all those eligible bachelorettes hoping to help out the best man, he is spoken for. >> just as long as he didn't tag along on the honeymoon, then it will be awkward. >> maybe he's making plans. maybe they'll show up at their suite. look, they left us a

coming up, the potential summer fire risk in nearly every american home. what you need to know this summer about keeping cool safely because that air conditioner can pose a few risks, and many of us are making mistakes that put our homes at risk. and later from the toilet to the tap. would you drink water recycled straight from the loo, as they say? we'll be taking our own toilet water challenge. >> what? we will? >> yeah. it's a proper glass of water. but first, here's a look at today's temperatures. "world news now" weather, brought to you by car facts.com.

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experts are sounding a new warning this summer for everyone using an air conditioner to try to keep cool. [000:07:30;00] >> as the temperatures heat up, so are many house fires. david kerley tells us how to keep safe. >> reporter: it's the close call no one saw coming. this fire caused not by a kitchen fire or candle but by an air conditioner. >> i look out my window and the ac unit was on fire. >> reporter: while nothing beats the heat like a cool blast of air conditioning, there might be

hidden dangers lurking in your home. when the temperature rises, experts say it could put strain on an air conditioner, and if not well maintained they can be fire hazards. >> if they are overworked and overheated or there's electrical issues it can catch nearby combustibles on fire. >> reporter: from 2010 to 2014, there were 2800 reports. fires from air conditioners. so what can you do to stay both cool and safe? first of all, make sure to change that filter, and ensure you have an adequate power supply. no extension cords or power strips. try not to share an outlet with other powered devices. >> when you start using extension cords, they can be problematic. they overheat and can cause a fire. >> reporter: get your unit checked one to two times a year and make sure it has room to breathe.

>> make sure you're cle material. >> reporter: david kerley, abc news, washington. >> learned a lot. >> got to go home and clean your air conditioner filter now. >> mine has a filter and all i do is push a button. i didn't know you have to clean it. the light goes away when i push the button. >> you smell smoke, anybody? >> somewhere in the upper west side, there's an issue right now. coming up. from the toilet to the tap. oh. this is what a growing number of americans are drinking. question is, do they know it? >> tastes great. >> we're going to have our own taste test next. >> like the hudson river. or suffer excess mucus? left untreated mucus can build up causing further problems. treat mucus buildup early with #1 doctor recommended mucinex 12 hour. the bi-layer tablet immediately releases to thin and loosen excess mucus

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and enjoy living well. ♪ hot fun in the summertime ♪ hot fun in the summertime >> those are some great shots. loving the bumper. >> is that before the elevator race going in the wrong direction? many dog owners are aware that the toilet can be a source of drinking water. >> but it's not just for pets. kmbc's rob hayes caught up with thirsty tourists in hollywood to see if they would be up for the toilet water challenge. >> reporter: the temperature's sky rocketing. for folks in the elements, thirst comes first. >> i don't want to pass out. >> reporter: there it is, an oasis on hollywood's scorching sidewalks. ice-cold, free water. but like most free things, there's a catch. this give away is flush. with catches. >> the catchy headline is usually toilet to tap.

and it gets your attention. >> reporter: yep, they were once relief. the orange county water district for nearly ten years has been recycling wastewater. >> it mixes with native water and pumped up as drinking water. >> reporter: now the water district has no plans to bottle their water. they put up this stand to get people to accept the idea of recycling waste water. that is a tough sell. >> it's toilet water. what do i look like? a dog or something? i ain't drinkin' no toilet water. >> i got an extra bottle to take home. we're from georgia, and we don't do things like that in georgia. >> reporter: but for every -- >> ew! >> reporter: there were plenty of people ready to try it. >> doesn't look like lemonade. >> reporter: y

>> you now where it >> straight from above. >> straight from below. >> reporter: what are you going to tell your family and friends. >> here in hollywood, tasted excellent water. >> reporter: did you say excellent or excrement? you're going to hand out water in hollywood, shouldn't you hand it out at the hollywood bowl? >> it's good, i love that. >> reporter: would you stay's number one in your heart? >> uh. >> reporter: maybe number two? >> there's a reason why it's called h2o. >> there's a list of things i never thought i would do on television. we have to taste purified water first. >> which one's purified this one? >> this is the bottled water. >> cleanse that out. >> and then the toilet water. i'm going to use a straw. >> you're lady like. >> i don't know where this cup has been. >> all right, this is the toilet water.

>> oh! >> you really >> that's awesome. >> not bad. >> this one i got from the hudson river. you want? no?

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and never go to the post office again. but first, let me take a selfie. ♪ >> our selfie, some of the faces. >> those are all really pictures that we took of ourselves. >> on our instagram. that was pretty sad. >> is national selfie day supposed to make you fieel bad about the selfies you've taken? it's national selfie day. >> every day is selfie day as far as we're concerned. but as everybody shares their mugs online, how about a history lesson.

we think i brought on by the chain-smokers saying let me take a self e no, the first selfie. can you guess who it was? >> abe lincoln. >> no. good guess. >> not abe lincoln? >> it was robert cornelius in 1839. an amateur scientist who ran into a frame where he sat for a minute before covering up the lens again. 1839. good job, bob. >> so the first time the term selfie was used in written form was in 2002 on an australian news website. but the coolest selfie ever taken, my vote. >> and all selfies. >> buzz aldrin in space. how do you, you can't top that. >> drop the mic. had who knew that they were taking selfies back then. this is into his five and a half hour spacewalk during 1966.

nice selfie. >> the rock by the way, very good selfie taker, even though we're not bffs anymore, because he ditched me. he is a very good selfie taker, however. >> there was this great moment where he was in the middle of traffic. and somebody else wanted to take a selfie. >> this dude stopped his truck in the middle of the street. what's up, dude, come on. you're going to get hit by this traffic, man, come on, let's get it. >> all this traffic's coming right now. come on, brother. >> can i get one more? >> yeah, come on, dude, you can't get hit. >> oh, my god! >> he's losing his mind. that guy's about to get hit by a car, and i does not care because i will have a selfie with the rock. >> at least he will have an image. >> so i file -- >> diane loves selfies. >> we have to commemorate this moment, don't we? i forgot to put it on selfie

mode. >> you're

this i this morning on "world news now." an act of terrorism. >> that's what the fbi is calling the brutal attack on an officer in an airport in michigan. this morning we have new details about the suspect who shouted in arabic before stabbing that officer in the neck. and tropical storm cindy is bearing down on the gulf coast, raising flooding concerns throughout the region. the latest forecast ahead. and the death of otto warmbier is raising questions about why he was in north korea in the first place. and later in "the mix", laying low while on the air. the bbc news anchor who kept a low profile while technical