matyas/kalamazoo county :) "looks like we have somebody just driving around, finding people and shooting them dead in their tracks" 15 minutes later more shots...this time at a popular restaurant. (broadcastify sot) "priority 25181 south 9th street, 5181 south 9th street at the cracker barrel. we have shots fired." five more victims......four more dead...a 14 year old girl reported to be killed survived....rushed into surgery after she squeezed her mother's hand....she's in critical condition. in all...the shooter had eight victims...six were killed. about seven hours after the first shots were fired police arrested 45 year old jason dalton without incicdent...authorities found a gun and other evidence inside his car. dalton is an uber driver who authorities say has ties to the community..... his neighbors say he was a normal, working, family guy.... (gary pardo/neighbor ) "would have never suspected anything like that." what connects the alleged gunman, the locations and the victims?...police say nothing. (jeff getting/kalamazoo county prosecutor:) to deal with and that's one of the most frightening things about it." authorities have searched dalton's home as they try to find out why one man may have taken so many lives. dan scheneman nbc news. >> police say dalton has no criminal record. he is expected to be arraigned tomorrow on charges of murder and attempted murder. a cloudy but warm feburary day in siouxland how long will it last, our spring like tease is a thing of the past now! some parts of sioux land even saw some of the white stuff last night. a little less than in inch fell in sioux city with many towns seeing less than an inch. the clouds are left behind the system and they will be staying thick through the night, with temperatures dropping to closer to where we should be this time of february. lows will bottom out in the upper 20s and lower 30s across the viewing area for that we'll toss it over to meterologist tj springer (--- winter brings a number of driving hazards, but winter brings a number of one always seems to pop up when the snow starts to melt. potholes. vehicles of all types are affected by potholes, including motorcycles. and people will be back on their bikes as soon as the weather warms up. and, potholes can create even bigger issues for those motorcyclists . "it can damage a lot of stuff. it can jar shocks, it could actually blow seals out of forks, it can definitely bend a wheel we've seen that on occasion so pretty harsh on things," said rooster's harley-davidson sales manager, cory tucker. he says to be aware of your where you're riding to avoid those craters. now, to some good driving news gas prices continue to drop. according the lundberg survey.. the average price for a gallon of gas is $1.77, down a nickel from two weeks ago.. and 56-cents below the price of gas one year ago. prices haven't been this low since 2008. crude oil costs have steadied.. and analysts say the latest price drop may be the last unless oil prices go back up and stay up. wholesale prices for refiners have already increased in the past couple days. turning our attention to politics a big win for donald trump last night in the republican south carolina primary. trump won by a wide margin over second place finisher marco rubio and ted cruzwho came in a close third. in nevada, hillary clinton took saturday's caucuses over bernie sanders. now the candidates have their eyes on super tuesday. nbc' s jennifer johnson has our story tonight from washington. (super: atlanta :00-:xx) fresh off his big win in south carolina... (nat sot from donald trump) "we had such an amazing victory yesterday - incredible!" donald trump campaigned sunday in georgia...a super tuesday state. (graphic take full ------------in/out -----:xx/:xx) trump beat second and third place finishers marco rubio and ted cruz by a substantial 10 percent margin. the often-brash businessman now says he needs to start acting like a commander-in-chief. (sot donald trump / (r) presidential candidate :xx-:xx) super already on screen in upper corner - fox news sunday "i think i'll be very presidential at the appropriate time....right now i'm fighting for my life." rubio says gop voters have to be careful. (sot sen. marco rubio/ (r) presidential candidate :xx-:xx) super already on screen in upper corner - abc this week "the consequences are extraordinary if we get this election wrong....and republicans need to nominate somebody who's going to unify this party, grow the party and who's going to win this election." ted cruz, who came in a close third, is not concerned. (sot sen. ted cruz / (r) presidential candidate :xx-:xx) corner - abc this week "our game plan from day one was to do well in the first four states and consolidate conservatives to go forward into super tuesday and we're positioned ideally to do exactly that." after a poor showing in south carolina....jeb bush has ended his presidential campaign. (nats of hillary in nevada saturday night) "thank you so much" in nevada...hillary clinton won the democratic caucuses. clinton and bernie sanders square off next saturday in south carolina's democratic primary...sanders campaigned in that state sunday. (sot christina miles / south carolina democratic primary voter :xx-:xx) "i look forward to just seeing what they have to say in this last upcoming week." clinton says she knows she still has a trust issue with many voters. (insert ends) (two second pause) audio outcue: jennifer johnson, nbc news, washington. (sot jennifer johnson / stand up close / washington, dc / capitol hill 1:18-1:26-?) but all eyes are really on super tuesday - march 1st - when more delegates can be won than on any other single day of the primary news, washington. >> coming up on news 4 at 10 see how a heart expo in sioux city aims to educate siouxlanders about their heart required to register it before you fly it. coming up monday morning at 5, what you need to know to avoid fines and possible jail time. and we'll meet the kid people are calling a genius. he can name all the presidents, states, and capitals. our spring like tease is a thing of the past now! some parts of sioux land even saw some of the white stuff last night. a little less than in inch fell in sioux city with many towns seeing less than an inch. the clouds are left behind the system and they will be staying thick through the night, with temperatures dropping to closer to where we should be this time of february. lows will bottom out in the upper 20s and lower 30s across the viewing area. sunshine will return for monday with temperatures still staying on the mild side. highs will climb back into the 40s, making it still feel pretty nice outside. another wave of low pressure will skirt through monday night into tuesday morning. this one looks to be just a tad warmer than this previous one, which means we could see more in the way of a wintry mix. this does bear watching as temperatures will be marginal which could lead to more of a precipitation will most likely start as rain then transition over to a mixed bag of sleet, snow, and freezing rain. that area of low pressure moves out rather quickly leaving behind partly cloudy skies for the remainder of the work week. it will also usher in a more wintry feeling air mass with highs dropping back into the 30s come thursday. we rebound just a bit with highs in the 40s on friday. ample amounts of sunshine return for next weekend with temperatures topping out near the 11th annual tolerance week activities were announced. monday, february 29th kicks off the week with a screening of the documentary rosenwald." wednesday the sioux city orpheum theatre will host siouxland 8th graders to show "i never a holocaust survivor will come to a showing of the play to speak with siouxlanders about his experience. the sioux city art center will also be screening a documentary called "raise the roof." for more details on tolerance week visit ktiv.com and the link will be inside the story. still to come for us on a sunday night ktiv's sheila brummer shows us one siouxlander who's coming back strong after a stroke. tonight's healthbeat 4 one local hospital held an expo today to inform locals about heart healthy decisions. ktiv's tommie clark has the story of one siouxlander who says his life was saved because of last year's expo. mercy medical center's heart expo welcomed hundreds of siouxlanders to their heart center on saturday afternoon. specialists discussed the procedures they perform and how to be smart about your heart. "you want them to feel comfortable, number one, with coming to the institution if they're having problems, checking with their doctors if they're having problems or any questions or concerns and a lot of times when people have knowledge it gets rid of the fear," said mercy cardiology medical director, dr. jerome pierson. one doctor who specializes in abnormal heart rates, says more people need to learn about the technology we have today. "i have seen the people who have been suffering from everything else for a long time because of a lack of education," said cardiac electrophysiologist, dr. fayaz hakim. the kelley family came for the second year in a row, and they say it means a lot. "i don't think he would be here today if we wouldn't of came a year ago and went through the seminar and the technicians discovered what they did discover and it was pretty scary," said gary kelley's wife, helen kelley. because of last year's heart expo, gary kelley found out his right carotid artery was completely blocked and his left was 95% blocked. the following day mercy got him in for an appointment and three weeks later he had life-saving surgery. "and otherwise if i wouldn't have had the surgery possibly within a period of the next 4 or 5 months i possibly could have had a stroke," said gary kelley. and appreication for mercy's heart center. "i'm back here just because i wanted to come back not only because of the goodies to munch on, but also to take the tour again and visit with people who take care of me kelly had his arterys checked again this year and they are completely clear. in sioux city, tommie clark, ktiv news 4. >> along with the regular mercy expo, there was the first ever teen heart expo. they told teens about different things they can do to think about their heart health. there were lots of activities like a caffeine education station where teens could learn how much is too much. besides fun games, teens learned about exercies they can do at home that don't need a there was also c-p-r education. "i'm just hoping that they're a litte more conscious of the decisions they make every day. we don't always need to make a huge lifestyle, but simple changes can make a difference. we just hope that it will be a life time of good decision making for them," said mercy rn and coordinator of community health education, shannon patton. doctors say to know your cholesterol, blood sugar, and blood pressure numbers. also, stay active. this will reduce and prevent your risk of heart disease. stroke can strike at any age, even before birth. tonight, in healthbeat 4: ktiv's sheila brummer with the journey of a siouxland teenager trying to recover after such a setback. formed between point a the heart and point b the carotid." doctors don't know for sure what caused the massive bleed. but, the damage was severe.. 75% of the right side of his brain impacted. after emerging from three weeks in a coma, sam didn't even have the muscle strength to even get out of bed. 6:05 "on my end it's patience. for his part, it's hard work and determination." sam spent three months in an inpatient treatment facility. he's back at school and meets three times a week with physical therapist dr. tim saulsbury. 2:44 "i have been at this at more than 20 years. 2:46 maybe a couple a three times i have seen young people like this have stroke. not very many." dr. saulsbury measures sam's progress by small steps. his left side still partially paralyzed. nat snd (if it works) "while sam is bearing weight with his left arm he's drawing with his right arm." but, the shear "force" of his work ethic and young age should move things along. 3:08 "wheone give the effort he has given. they are going to and two they are guaranteed success," said dr. saulsbury. sam's dad says facing such a crisis made the bond with his son and four other children stronger. 10:55 "it's changed our lifestyle. it's changed how we think of the future and how we cherish our kids." and sam-- shy even before the stroke-- wants to share one simple message. :18 "anybody can come back from a stroke." with chief photographer jordan ogren, sheila brummer, ktiv news 4. >> sam who is a freshman at hinton high school travels to lincoln, nebraska for outpatient treatment. it's the same place where he spent three months in recovery. friends and family have help the vaught family. it takes place on tuesday, march 8th in sioux city at the launchpad children's museum from 6 until 9 p.m. mark's in now with sports - south dakota playing its farewell to the dome against denver. highlights and reaction from vermillion is coming up next. plus - the iowa state men win without one of their biggest stars. teams will move into a brand new seasons in the dakotadome. saturday, the coyote women sent the dome out with a victory over south dakota state. today the men tried to do the same. it was also senior day as the coyotes hosted denver. opening possession for usd - trey norris goes baseline, pulls up and hits the jumper - norris scored 10 as u-s-d got out to a 10-4 lead. 7 minutes in - yotes up 4 - tre burnette - with the nice take to the cup - u-s-d up 12-to-6. 1- the steal and the slam - flack had 10 points, 9 then , cutting to the hoop is burnette - the senior had 14 points - five coyotes scored in double figures - balance has been u-s-d's m-o this season. but it's denver that gets the last laugh - joe rosga beats the buzzer with a three to end the half - the pioneers spoil u-s-d's dakotadome finale, 76-to-71. you've got five seniors that you're honoring, and then just the end of an era," said head coach craig smith. "thirty-seven years in the dome, some tremendous tradition, and a lot of fantastic teams and great players. you want to go out on the right note, you know, being victorious. just dug ourselves too big of a hole." south dakota is 4-and-10 in summit league play. the yotes have 2 more road games to try and make it into the summit league tournament field. iowa state beat t-c-u for the season on saturday night. but the cyclones had to do it without one of their biggest stars -- again. jameel mckay didn't see the floor in i-s-u's 92-83 win over the horned frogs. head coach steve prohm said that mckay didn't play as a coach's decision. without mckay on the floor, the cyclones got out-rebounded 43-to-31 - t-c-u came into the game in 8th place in the big 12 in rebounding. as for scoring - the rest of the team picked up the slack - georges niang scored 27 points, abdel nader had 24 and deonte burton 23. after the game - prohm - not to excited to talk about mckay... "it's for the best interest of where we want to be down the road," said prohm. "we're excited to move on to west virginia. that's it. it was my decision, and there's really not much more to it." "he was available to play if i wanted to put him in. halice didn't play the other night at baylor. it's my decision, and what i want to do, and that's it. it's no more or no less. obviously, we need jameel to be great. everybody in this room knows it. our team knows it, and he'll be ready to go, and our team will be ready to go. it's going to take a tremendous and we know that." monday night's game against west virginia is at 8 o clock on espn. prohm says mckay will be available to play that game. the nebraska women, without big ten assist leader rachel theriot against purdue. first quarter, huskers down four - jessica shepard with the nice look inside to allie havers - nebraska within 2. 2nd quarter - havers is the beneficiary of a fortuitous bounce - havers scored 12 points - but nebraska trailed the whole way in this one. big red led for a total of 21 seconds - ashley morrissette scored 19 and the huskers fall, 68-50. the nebraska wrestling team fell at home to missouri in the n-w-c-a national duals championship series this afternoon. the huskers led 10-to-6 at the halfway mark, but mizzou responded with wins in four of the next 5 huskers back in action - big ten championships in iowa city march if you own a drone, you're required to register it before you fly it. coming up monday morning at 5, what you need to know to avoid fines and possible jail time. and we'll meet the kid people are calling a genius. he can name all the presidents, states, and capitals. i cried, pretty much all day. >> the grammy aftershocks shaking hollywood. >> there are going to be people who will try to take credit. >> backstage with taylor swift after taking on kanye, as adele admits to a break down. her grammy performance left her in tears. >> and she said she was too sick to perform. we uncover what happened. >> she ran through her entire plus lady gaga's transformation, sequin for sequin, feather for feather. and josie. >> there was 50 craftsman working on the dress simultaneously. >> and did gwen stuff onefani reveal that that song was all about her new man? then our exclusive. >> mama's spicy. >> behind the scenes of the highly anticipated blockbuster with charlize thereon. and we're with rick springfield, 35 years after jessie's girl >> and one of tv's all-time biggest divas making news. >> this is not my hair. it's a wig. >> dynasty's linda evans on losing her hair and