Eventually getting tackled by another Good Samaritan. Chip osowski shows us how it unfolded. Reporter the Good Samaritan that helped out is an employee here at flooring america. He heard the helicopter, saw what was going on, and knew he had to do something. I met him right here and put him down. He just went down to the ground. Reporter the Sheriffs Office heli andy was the person who aided in the arrest. I figured i would just get in his way and slow him down. That was all. Just slowing him down, maybe the cop would catch up to us. Looks like hes getting over to go into the mall. Reporter the cops were there all along high above in a hel carpet watching johnsons took off. Stopped at this convenience store. White male, short hair, white vneck t shirt and khaki shorts. Reporter for a change of clothes. Before making his way back to adamo drive where he attempts to flag down a driver. He is carjacking this person. Hes trying to get this person out of the vehicle. Car 35 right there. Reporter johnson eventually gives up and takes off on only to run smack dab into this guy, clearly not his day. I grabbed him by the arm, told him to get down and he just laid down, stretched his arms out and i got on top of him until the deputies caught up to us. Reporter johnson jr. Has a lengthy criminal record in hillsborough and polk counties. Hes facing charges of carjacking, battery and fleeing to elude. Deputies are holding him at the im chip osowski, news channel 8. It is a shocking crime in paradise. A 16 year old boy stabbed his mother and younger brother it. All happened as they were vacationing on siesta key. Reporter this week, 16 year old justin joined his mother and brother on a vacation to siesta key. In an unexpected twist, deputies say he stabbed his condo on turtle beach. When deputies caught up with him, he admitted to the crime. The arrest report described a heart breaking moment with the younger brother. Charles stated he thought he was going to die and asked why his brother would do this. Melissa and charles were transported to local hospitals and gust has been issued two counts of 2nd degree attempted survive. Tampa Police Believe theyve stopped the burglars responsible for breaking into at least 25 tampa homes since march. Today detectives announced a major break in the case when someone swiped a stolen credit card. That led them to arrest the three people who live in south florida. Police recovered stolen jewelry when they made the arrests. Polk county Surveillance Video shows thieves hiding electronics in diaper boxes. H they would check out, they would only pay for the diapers. They hit Walmart Stores in 26 counties in florida, many of them in the bay area, and made off with 178,000 in electronics. Tonight the bay area has its first marijuana dispensary. The facility is allowed to sell thc medical cannabis for patients with a prescription. Some users were on hand today including pat who noticed a few improvements in his symptoms. I think its outstanding. Its unbelievable. You know, what it does. You know, not to get high, but to use it as a medical use is outstanding. This is floridas second medical cannabis tallahassee. True leaf plans to open several more around the state. Lightning was a sight to see last night as Mother Nature put on quite a show. But it also caused a big house fire in largo. Reporter caleb eliot captured amazing footage of Mother Nature in action last night. As the shelf cloud was coming out of it. Probably some of the best lightning ive seen in a big number of years. Reporter a storm chaser, eliot said hes definitely not in canadian kansas anyone. Initial i didnt know there was anybody in the shop. In between the island, there was one sh looks maybe a half mile away from where they were at. Down here, every day, the storms interact, they move through the area and 20 minutes later you get these gorgeous florida sunsets. So its theres nothing bad about it. Reporter reporting in pinellas county, news channel 8. It is quite impressive to see that lightning like that. Im with him, i dont want to observing it. Hes from the midwest. Florida weather is kind of new. Its Tropical Weather down here. If youre a storm chaser, this is a great place to do it. Absolutely. But severe stuff can happen. Yes. You dont at some point make light of it. This afternoon, just a collision of sea breeze . Yeah. Nothing dramatic or crazy . We had thunderstorms. Other than this interaction. This is dramatic and crazy. Thats what i said. At thats where a lot of the thunderstorms have been occurring. Little dark on the horizon there. The showers have been coming in west western citrus county. 30 rain chance for saturday. 20 chance sunday. Best chance, inland areas. Because were transitioning to a northwesterly flow, we may see showers along coaster will likely push the other direction to the west. Theres the thunderstorm activity i was talking about, the northern part of citrus county. North of the river. Thats pushing up into leavy county now. Clusters the thunderstorms that have been throughout the day. Pushing off to the west just around pete beach into the gulf of mexico. Farther to the south too. Weve seen strong thunderstorms east of sata a few showers and storms around englewood. Temperatures right now, rain cool. Feels good. Well talk more about temps and look into the weekend forecast and detail coming up. Still ahead Lawn Care Specialists say theyve seen an increase in the number of requests for them to come out and spray bushes like these for mosquitoes. Ill tell you if that spray im Hillary Clinton and i approve this message. By making big corporations and those at the top finally pay their fair share in taxes. And those companies that move overseas . Shed charge them an exit tax. Then shed use that money to make the largest investment in creating good paying jobs since world war ii. Millions of jobs. With zika fears in florida, some companies are cashing in by offering protection against mosquitoes. 8 on your sides rod carter is taking a look to see if these services really work. Reporter rob at tr lawn care and pest control stays pretty busy these days. Hes treating this home in the west chase area for mosquitoes. Theyre in the trees and bushes and hedges and stuff like that. Reporter its something owner dennis perry says theyve done a lot more of with the fears of zika. You cant totally eradicate it. What were doing is control the population. Reporter does this stuff really get rid of zika . It wont fight the virus itself but getting rid of mosquitoes will lower of chance youll get it. For a while. Provide protection and be as safe as possible. Reporter Debbie Castle told me today like other animals, mosquitoes tend to adapt to this and other chemicals used to control them. Its going to be harder and harder to keep these animals down as we get wetter. Reporter so in the meantime, the fight goes on. Rod you might think twice before letting your child wear one of those fitness trackers from their happy meal. Thats coming up. And changes to data plans from two more major carriers. How much will unlimited data cost you and is it really unlimited . And check this out. Heres a look at the current medal count in the 2016 rio go usa. Y2377y yy6y my son has meningitis b. But how did we end up here . His mom thought he had the flu and that he was covered by the meningococcal meningitis vaccine he had received. Until 2014 there were no vaccines for meningitis b in the u. S. Now there are. While uncommon, meningitis b can lead to death within 24 hours. Trumenba is a vaccine for 10 through 25 year olds to help prevent group b meningococcal disease. Trumenba should not be given if tion after a previous dose. Most common side effects were injectionsite pain, fatigue. Headache, muscle pain, and chills. Ask your doctor or pharmacist about all the risks and benefits of trumenba and tell them if youve received any other meningitis b vaccines. Meningitis b can be spread by typical sharing like. A drink. A spoon. A kiss. It all started here. It might have been prevented with trumenba. On wall street today, the dow was up 23 points, the s p 11 points. Apple says the sales of target says the sales of apple products were down from years earlier. You might have to wait a bit longer than you were expecting to get that new iphone 7. The iphone 7 and 7 plus will go on sale september 23rd. Thats alert than other leaks had suggested. Last week, bloom berg prte if your kid is hoping for a fitness tracker, you might be in for an unhappy meal on mcdonalds. Mcdonalds is giving step it trackers away at least they were. Until word of skin irritation bound from dieselgate with a volkswagen is promising an electric car that could get 3 monday miles or more from one charge. We dont know if the model promised for the paris show next month will look the same. It should be available in 2018 or 2019. Within just a few weeks, youll be able to catch a ride in a self uber is deploying autonomous cars. Each car will have a back up driver. Verizon and at t changed their data plans and now t mobile has something new too. We have one single offer that banishing data buckets thats tmobiles c. E. O. The new plan is touted as unlimited, although there are still a few pigments in fine print. Its the only plan t mobile will offer to customers. Sprint also announced a new unlimited plan that starts at 60 a month but its not truly unlimited either. Both plans restrict the quality of vio however neither will throttle your speed after a certain point, unlike at t and verizon. Better call behnken. Investigator Shannon Behnken is not giving up on palm harbor residents dealing with an abandon home thats filled with rats. Everyone has a different excuse reporter all roads lead to a deadened. The home is worth nothing. So its only land value. I would think they want to tear it down. Reporter put up this safety fence to keep neighborhood children from getting hurt by falling stucco. Neighbors are fuming. They and todd meyers want this house gone. At this point, given the situation, its the best course of action seeing e not have the Financial Resources to make the repairs. Reporter the house on west winds drive has been empty and decaying for years. Afteroner bonnie post left and stopped paying her mortgage. I tracked down bonnie and she blamed the county. I assumed they were going to take responsibility for tearing the property down like they said they would. Reporter meyers tells me he the house, but then he contends the bank changed its mind. It is more difficult. It makes our job more difficult. Reporter so it appears that the bank, you guys dont want to take the house back so i called the bank for answers. Even the Bank Spokesman is confused. Apparently another lender is servicing the loan and its unclear which lender gets to make that big decision. As i talked, emails and forth between the spokesman and Bank Decision makers. Theres no answer yet, but i do have their promise to get to the bottom of whats keeping this house in demo limbo. He is still working on this. He said at this point it is unclear whether the county even needs the banks permission to demo this house. Shannon behnken, 8 on your lot of areas because we did have showers and storms. If you didnt see rain right on top of you, maybe cooler air from the nearby showers. Temperatures generally in the 80s. In the tropics, fiona right there. Its still not expected to do much. Should like he stay out at sea and likely stay weak. Problems for this system down to the south. Theres another southeast of it. Theres another system well keep an eye turn. The models have trended that way today. 20 chance over 5 days of development for this area. Thats africa on the right side of your screen there. Well watch the storms cross africa and emerge out of the eastern atlantic. 92 degrees at 4 00 p. M. Hot day. Thats what we had today. Evening temperatures not bad. Low 80s in most locations. Thats pleasant. Outside and enjoy the evening. High pressure continues to dominate. Well get more of a northwesterly flow saturday and sunday. For now, east flow still dominating. Friday morning, mostly sunny skies, no rain expected there. And the same situation with sea breeze collision with a light easterly flow in the afternoon. By the weekend, could give us a slight possibility of showers should move inland as the day goes long. Saturday and sunday, rain chance of 30 . That will mean lots of sunshine, warm temps. Needless to say here in late august. At the peak of the hot conditions we have in florida this time of year. Overall, the rain chances for tomorrow are normal, but a drier period as we get into next week. Well still see showers. Happy . Its about right now. You said the peak of the heat makes you happy . No. When will it be on the sliding end . Like christmas. Its not far if you think about it. You start to hear the carols about now. Advertising. David was proud to be an american soldier. And i know im prejudiced because he was my son, but i dont think he had a mean bone in his body. There is not a day that i dont think about david. When i saw donald trump attack another gold star mother, i felt such a sense of outrage. She was standing there, she had nothing to say. If donald trump cannot respect a gold star family, then why would anyone in america think he would respect them. During the summer milks, we are taking time every night to recap what is happening in the games and share stories from the olympic athletes. We call it the olympic zone. A preview of whats ahead at 7 30. As always, a packed show tonight. As well as paul ryan sitting down with april ross are. She had a were going to tell you what happened to her and her teammates here. Im trying to stay off social media so there are no spoilers. I like to watch it. Im old fashioned. Were looking forward to the o zone. In natural. Those are cow chips. A very polite term for cow poo. The most skilled thrower managed to throw it 89 feet two inches. Its a well known event. Is it . Cow chip expert as well. Thats going to do it for us. Now, special coverage of the summer games in rio on news channel 8. This is the olympic zone. And good evening once again. Im dan lucas. Thank you for joining us on the olympic zone. Were going to take you right up to 8 00 and nbcs prime time coverage. We start with team usa making history in the 100 hurdles. The trio dominated the final sweeping the competition. At the gun, they go over the first hurdle. Rollins has a slight lead. Rollins wins it. It is a usa sweep. The first sweep in this event in olympic history. The three americans come and shut out the west of the world