brian ross, abc news, new york. >> it is very bizarre case.to safety experts said part of the problem with modern cars is they never completely power down. >> right. they're always on. >> so even when they're parked and turned off, they're not completely off. >> and a bmw spokesperson suggested several other potential cars of car fires other than manufacturing defect including lack of improper maintenance by unauthorized mechanics. people want to go cheaper, not to the dealership because the cost might be higher. >> brian ross is on it and we are sure to hear more about this investigation. >>> meanwhile, doctors are warning about another potential danger. they call it avocado head. >> i never heard of that. that's when people hold on to an after kaud owe, then cutting around it to remove the pit like we've seen chefs do on tv. turns out more and more people end up slicing through the avocado and cutting into their hand which could cause nerve and tendon damage. >> our nicky batiste learned this lesson right here last week, and, you know, some

abc's brian ross. >> reporter: in the frantic search today to see if others are involved, police blewpen the door of the bomber's home, looking for any clues about the suspect. one officer was seen with a small book titled know your chemicals. later, they took one man into custody nearby, identified by neighbors as the terrorist's older brother. >> investigators need to focus on where day learned to build a device like this, the real question, is there a cell that goes beyond this individual? >> reporter: tonight, we are learning the bomber himself, 22-year-old salman abedi, was born in manchester, the son of a family who emigrated from libya. a college dropout, abedi was once one of the 500 young men known to british authorities as possible terrorists. >> abedi was a terrorist suspect in the uk, mi5 were aware of him, they were aware he posed a potential threat, but they didn't think he posed the imminent threat that he proved himself to do in manchester. >> reporter: neighbors today told abc news the abedi family would only talk with other muslims. the neighborhood, around an area c

brian ross is with us now. what are we hearing from bmw tonight?reporter: well, bmw executives would not agree to appear in our report, but in a statement to abc news, they said outside factors could be a cause, including poor maintenance or rodents nests. but tonight, david, the bottom line is, it's a mystery with some very dangerous implications. >> all right, brian ross and our abc stations around the country. our thanks to you tonight. >>> there is still much more ahead on "world news tonight" this thursday. the deadly standoff, after a triple murder. a sheriff's deputy is killed, two more bodies found. we'll have more in a moment. >>> the new headline at this hour involving the amtrak engineer at the controls when that train derailed here in the northeast. what we've learned tonight. >>> attention in the water. attention in the water. >> that is the warning that went out today, used to tell beachgoers, swimmers there in the water, that there were 15 great white sharks swimming right nearby. much more ahead. [boy] cannonball! [girl] don't... [m

brian ross, abc news, new york. >> our thanks to brian ross. calling on the u.s. to reverse its decision to arm syrian kurds. tensions rising days before he is set to meet president trump at the white house. ghters will be crucial in battling against isis. planning to raise the issue with president trump when they meet tuesday. defense secretary, james mattis is confident they will work out any concerns. dozens of people injured. one man was killed during an especially violent day of anti-government demonstrations on the streets of caracas, protesters are arming themselves with a new weapon to battle security forces. they're using polpotovs, molotov cocktail s filled with feces. >> education secretary nearly drowned out by boos as she delivered the commencement speech at a historically black florida, they owe posed devos as commencement speaker because of past comments sunny made, downplaying the role of racism in creation. every time she tried getting a few words out. they booed and turned their backs on her. >> i am honored to become a wildcat. and it is a real

. >> our thanks to brian ross.otential national security official richard clark, potential fbi special agent in charge, richard frankel. richard clarke, let me start with you. if this suspect was on a watch list, why was he not actually being watched? >> because there are test of thousands of people on watch lists. and all that can be done when someone is on a watch list is their electronic media use can be monitored, perhaps their phone calls can be monitored. you can't have eight agents following around 10,000, 20,000 people. and it takes eight agents or more to follow somebody around 24 hours a day. >> richard frankel, we've been talking for years about the problem of soft targets. it was horrifically displayed overnight in manchester. what do wre we do about this problem? >> without getting into the tactics at nypd or other police departments use, we're pretty good here in the u.s. as far as soft targets. they do things that make it harder to attack those soft targets. but as we saw in times square it still can

for "nightline," brian ross, abc news, new york. >> our thanks to brian ross for that report. >>> up next on "nightline," a very different story here at home. the rental car company that allegedly overcharged consumers. we took our hidden cameras to the counter. what we found. ys thinking about it. what if my cancer comes back? i've been working on this therapy for 5 years now and we're getting ready to go to the clinic. my son definitely keeps me fighting. i want to be there for him when he needs me. that's what motivates me. i want to see patients have gray hair. i see myself growing old with my pink hair. that to me, is enough to keep going. othe newly advanced gle can i'm csee in your blind spot. [ dinosaur roars ] onboard cameras and radar can detect danger all around you. driver assist systems can pull you back into your lane, if drifting. bye chief. bye bobby. and will even help you brake, if necessary. it makes driving less of a production. lease the gle 350 for $579 a month at your local mercedes-benz dealer. mercedes-benz. the best or nothing. they carry your fans shpassion

brian ross with us. brian is just getting information in about what inves gators have now found in the suspect's home. >> it was described to me as kind of a bomb workshop. unused chemicals more than enough for several more bombs. >> brian ross and your team. thanks to you >>> breaking headline here at home now, several reports of tornadoes coming in already, watches in several states at this hour. this twister touching down near the coast of georgia over the last 24 hours. powerful straight-line winds flipping over this tractor-trailer on i-10, west of houston. it moves up the east coast. abc's steve osunsami is in atlanta. >> reporter: right before dinner tonight, tornadoes were touching down north and east of charlotte, hitting homes and at least one element school that fortunately was empty. the ening ride home turned into a mess. >> the tree is down across i-77 southbound. >> reporter: the same storm system sent families running to their base pts in north carolina tuesday evening. >> get in the midd

brian ross standing by. >>> and the sheriff's department are sharks in the water. >> you are paddle boarding next to approximately 15 great white sharks. >>> good evening, everyone. it's great to have you with us here on a thursday night. tonight, president trump explaining why he fired james comey, and getting personal. calling the fired fbi director a showboat and a grandstander. we learned today, the president says he asked james comey, who was leading the invest gags into russian meddling, if the president himself was under investigation. tonight, some asking, should the president be asking the fbi director a question like that at all? abc's chief white house correspondent jonathan karl leading us off. >> reporter: contradicting white house officials from the vice president on down, president trump today said he decided on his own to fire james comey. >> look, he's a showboat, he's a grandstander. the fbi has been in turmoil. you know that. i know that. ever you take a look at the fbi a year ago, it was in virtual turmoil. less than a year ago. it hasn't recovered from that. >> reporter:

here's abc's brian ross. >> reporter: the russians were having a good laugh today about the firing of the fbi director. president vladimir putin, in full hockey gear, with his press secretary next to him, told cbs he was more interested in getting out on the ice and scoring some goals. >> we have nothing to do with that. >> reporter: but for the fbi there's nothing funny about the investigation, now at a critical juncture after almost a year. officials tell abc news, a federal grand jury is already impanelled. the white house today was asked about reports subpoenas have been issued for documents connected to former national security adviser mike flynn. >> was the white house aware at the time of this decision and announcement that grand jury subpoenas in the case of michael flynn had just gone out? >> no. nor would we -- should we have been. >> reporter: and adding to the white house concerns this week, are new indications the investigation may have expanded to include trump's business and personal finances. based on how the former director of national intelligence cryptically answere

brian ross, abc news, new york. >>> a transgender soldier convicted of leaking classified government materials expected to be released from a military hospital today. talking about chelsea manning, served seven years of the 35 year sentence which was commuted, you may recall by former president obama. her imprisonment longer than any case dealing with leaks in the u.s. former bradley manning admitted to uploading files. to wikileaks. a removal of a confederate area monument in new orleans started overnight. this one, honor, general pgt beauregard during the attack of fort sumter. which started of course the civil war. it is the third of four monuments. the city is planning to remove. the beauregard monument stood in a traffic circle there since 1915. >> if diamond are a girl's best friend. some one gained two bffs. anonymous buyer, set the record for most expensive earrings ever the pear shaped earrings were auctions separately bought by the same buyer. the 14 carat and 16 carat blue and pink sold for combined $57.4 million. at sotheby's. >> kendis, you shouldn't have. >> i didn't. >

abc's brian ross has the exclusive report. >> reporter: these dramatic battlefield pictures were made bay an iraqi photo journalist. expecting to document the heroics of iraqi soldiers. working with the u.s. against isis. they are against isis and they are very strong. >> but he says he soon came to learn the soldiers he was embedded with for months, are what's called the emergency response division, were no heroes. he is revealing graphic images, licensed by abc news that he captured of these important u.s. allies carrying out the torture and murder of civilians. only some of which is suitable for broadcast. was this happening all the time? >> this man was a sheepherder whose sons were suspected of working for isis. >> there is not a pretext here of torture in the name of obtaining intelligence. this its torture for fun. >> sadistic? >> sadistic. >> in a phone call with us, the unit captain, omar nasar admitted the video was real and proud of what he had seen on the tape. i am already a star, and ali doing this. the soldiers were so proud of what they were doing they sent horrific ph

abc's brian ross reports. >> reporter: in the frantic search to see if others are involved, police will open the door of the bomber's home looking for any clues about the suspect. one officer was seen with a small book entitled "know your chemicals." late their took one man into custody nearby. identified by neighbors as the terrorist avenue older brother. >> the investigators need to focus on who else may be involved, individual learn to build a device like this. to carry out an attack like this. the real question is, is there a cell that goes beyond this individual? >> we are learning more about the bomber himself. 22-year-old, salman abedi, identified on the "the sun" tabloid as pure evil. born in manchester son of a family that emigrated from libya. college dropout. abedi was once one of the almost 500 young men known to british authorities as possible terrorists. >> abedi was a terrorist suspect in the uk. mi-5 were aware of him. awere he posed potential threat. but they didn't think he posed imminent threat that he proved himself to do. in manchester. >> reporter: neighbors told a

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