We are on the trail. Good evening. Im elizabeth vargas. In for david muir. And we begin tonight with the breaking news, a close call at one of americas busiest airports. A drone flying within 100 feet of a passenger plane, approaching to land. It happened here at jfc, heres the plane on the tarmac. Cecelia vega has the very latest on all of this. Reporter the close call coming just minutes before landing. Delta flight 407 from orlando, 159 passengers onboard. The jet, just 1,700 feet above ground. A drone in its path, only 100 feet away. Near an old, abandoned airfield. There was a drone flying. What altitude would you say it was . Probably 100 feet below us. Reporter the Pilot Landing without incident. But air Traffic Control warning other planes of potential danger. These risky encounters on the rise. The faa now reporting 25 drone incidents each month. The reason we dont want a drone close to airliners, the possibility of being ingested into an engine. Reporter sales of drones are skyrocketing. And you can see why theyre such a growing concern. Thank you. And next to the mysterious airplane part found on a beach in australia. Theres growing certainty its from mh 370, at this hour, its packed up and on its way to france. U. S. Investigators and boeing investigators are going there as well. But the haunting question, was someone trying to make it vanish . And why . Heres jim avila. Reporter tonight, that wing part found on the beach, packed on board a plane to france and europes leading center for analyzing aircraft wreckage. While on reunion island, beachcombers search for more evidence by hand. And helicopters like the one bbc reporter karen allen flew in today. Searching from the air. Up here you really can appreciate the challenges that investigators face. Reporter those investigators now downplaying the likelihood that suitcase came from the missing plane. Focusing on the wing part found by this islander looking for a rock to pound spices. Who only called police after a Google Search pointed him to mh370. The part, called a flaperon, helps the plane turn and slow down on approach for landing by pivoting down. The numbers 657bb found in this boeing 777 maintenance manual match numbers found on the barnaclecovered debris. And what does that barely damaged piece of wreckage tell us . It may support early evidence that someone was at the controls, first deliberately turning off course and finally trying to make the plane disappear altogether. If you wanted to minimize the amount of floating debris, the best way to do that would likely be ditch the airplane, land it on the water, intact. Open the doors, let it fill up and sink. Reporter the french will begin lab work wednesday looking at all possibilities, including mechanical failure, a crash investigator here tells us they will look where the flaperon detached to see if it hit the water. Elizabeth . Jim, thank you. Turning to cincinnati tonight. The Police Officer accused of murder during a traffic stop is now out of jail. The body cam video of the incident showing a different story. Now, two officers have been cleared. Tom llamas is in cincinnati. Reporter tonight, ray tensing receiving serious threats and laying low. Prosecutors announcing they will not charge two other officers after tensing shot dubose, saying they have been truthful and honest. Hows it going, man . Reporter just two minutes later, the shooting. Take your seat belt off. Stop reporter moments later, catching him, and the officers running. Moments later, phillip kids body cam turning on. Tensing talking to his colleagues. He was dragging me. Reporter this is where the stop and shooting took place. Now, University Police have jurisdiction throughout the city when it comes to misdemeanors and traffic violations. Tensing has had previous confrontations in traffic stops. Cell phone video shows tensing stopping over a loose bumper. Youre not free to go. Theres a collaborative agreement with the city that allows that to happen because the students live all around the university, not just oncampus. Reporter the Prosecutor Says that tensing should have never became a Police Officer because of what happened. Hes not sure his client will ever want to be a Police Officer again. And we turn to south carolina. A plea of not guilty for dylann church. His lawyer saying he wants to plead guilty, but will not until prosecutors decide they want to seek the death penalty. And the coast guard is suspending its search for the the 14yearold best friends vanishing on a fishing trip one week ago today. Their capsized boat later found 150 miles up the coast. The coast guard combing nearly 50,000 nautical miles. Searching for them. The boys families say their private search will continue. Now to the american dentist who sparked outrage for killing a beloved lion. The dentist, a biggame hunter, here with a different lion. Protesters all week outside his office in minneapolis. Tonight, zimbabwe is requesting he be kpaextradited. Abcs alex perez in minneapolis tonight. Reporter the dentist was nowhere to be found. And still no sign of the doctor, doors closed. And weve learned he has voluntarily contacted the u. S. Fish and wildlife service. Tonight, new details. July 1st, dr. Palmer and his guides come across an elephant carcass. He fires his bow and arrow. Then he shoots again, killing the lion. Thats when they realize cecil is a protected, collared lion, and hes devastated. The processes have started, and were looking forward for his extradition. Reporter tonight, weve learned these cubs, fathered by cecil are being protected by his brother. Alex perez, abc news, los angeles. And we move on to kids being left in cars. Heres gio benitez. Reporter tonight, children left in hot cars once again in the spotlight after Good Samaritans in a new jersey parking lot spot a child left in that car. The windows left slightly cracked open. Where are the parents . Shopping. Are you kidding me . Reporter temperatures soaring into the upper 90s. Shes soaking wet reporter when the mother approaches with another child, the confrontation. Is this your kid . You left her in the car sorry. No sorry she could have died reporter that mother arrested, charged with child abuse. The dangerous dangers, seen here in our own test. In a hot car for 30 minutes, my body temperature rose to a scorching 105. It happens everywhere, sometimes by accident. I heard someone screaming. It was me. Reporter this oklahoma Woman Told Police she accidentally left her 1yearold in the car. The heat index, 103. The child taken to the hospital and recovered. Mom was arrested and charged with child abuse. Survival stories tonight that couldve ended very differently. Gio benitez, abc news, new york. To the extreme weather tonight. The west getting hammered. Monsoon season storms are moving across the southwest, triggering flash floods in arizona. And across the west, lightning sparking new wildfires. 24 burning in 8 states. Record heat and tripledigit temperatures adding to the misery. Abcs senior meteorologist rob maricano is here. No signs of a letup this weekend. July, the hottest month in seattle on record. And thats after june being the hottest june. And below the ridge, the monsoon continues. Las vegas to santa fe, could see flash flooding. We have a Severe Weather threat tomorrow, across the plains. And florida will continue to have big rains. But much of the east, enjoying dry weather that arrived yesterday. Thank you. To politics now. A flood of documents from the Hillary Clinton campaign tonight. From 2007 to 2014, she and her husband made 147 million. Also, a statement from her doctor, saying clinton has no lingering health effects, and she is fit to serve as president. Next, to an abc news investigation into the governments handling of a massive computer breach. Chinese hackers compromising 22 million federal employees records. Now, there are serious questions about the Company Brought in to help fix it all. Heres brian ross. Reporter these staggeringly drunk men worked for a u. S. Security company that had a 47 Million Contract from the pentagon to protect american citizens in afghanistan. Please snap out of it. Reporter but this outrageous behavior, u. S. Officials tell abc news, did not stop the government from awarding the company a new, even more sensitive contract. The job of fixing cybersecurity at the office of personnel management, opm. After chinese hackers stole the files of more than 22 million federal employees. This is a company that has a bad record, that has engaged in gross improprieties in the workplace. Is this really the kind of corporate entity we want to turn to in a moment of crisis . Reporter apparently, the answer is yes. The company, once called jorge scientific, located in this Office Building in virginia, changed its name to imperatis after our abc news report and now continues to get huge government contracts. Its new president , former marine Major General mastin robeson, one of several former generals and admirals on the board, refused to see us. And we were turned away when we showed up at the office. Is there anybody here who can talk to us . At this time, no. You can change your name. You can change some personnel. But conduct is what matters here. Reporter the company says it agrees the behavior caught on tape was inappropriate and the employees have been fired, and says it has confidence in its Cybersecurity Team now in place. As for the government, no one has yet explained how a company with this past track record should be rewarded with a new set of contracts. Brian ross, abc news, new york. Now to a new report warning of a danger on the streets across america. Heres kayna whitworth. Reporter Police Chases at high speeds with sometimes deadly consequences. Those killed are sometimes innocent by standers. These deadly chases are not new. Tonight, that stunning realization that on average, nearly a person a day is killed in police pursuits, and nearly half of them are innocent bystanders. The suspect, going 70 miles an hour. The van landed on top of the their car and tboned them. Reporter using a gps tag fired from a police car, they can track the car and avoid scenes like this. Then they can track the suspect and get updates every 3 to 5 seconds. Police agencies across the country are considering it. Thank you. Still much more ahead on world news tonight this friday. The master diamond thieves, and the bold move that helped get them caught. The national drugstore chain, accused of overcharging customers. 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Next tonight, the master jewel Thieves Police called the oceans 11 of diamond gangs. Matt gutman on the stunning move that got team caught. Reporter meet the bling ring. The gang behind a string of perfectly planned Jewelry Store heists. This was a case of a lifetime. Reporter 27 stores, 9 states, 4 million of stolen diamonds. Their m. O. . The grab and dash. Watch as he enters this portland Jewelry Store. He was wearing a nice shirt and tie and jacket. Reporter the ringshopping romeo offering a fake name and a fake profession, an architect. He then said, may i compare the two rings and see them both together . Reporter in a flash, hes off with the diamonds. But portland detectives eventually realizing hes part of this motley crew. Tracking the men down using pictures posted on social media. Cash for cushions. Bank note bedspreads. Here at this philly Jewelry Store, the diamonds turned to cash. We tried to talk to them. Wonder if you have anything to say you get away from me. Reporter wonder if you have anything to say i have nothing to say. Reporter to the people whose diamonds were stolen, the rightful owners. You want to get that camera off me . Reporter no comment and no business. The feds are shuttering the store tomorrow. Matt gutman, abc news, new york. And you can see the full report tonight on 20 20. At 10 00 p. M. Eastern. When we come back, the major drugstore that has been accused of overcharging customers. And 164 sky divers hand in hand, at over 20,000 feet. St if botox can help calm your bladder and reduce your daily leakage episodes. The effects of botox may spread hours to weeks after injection, causing serious symptoms. Alert your doctor right away as difficulty swallowing, speaking, breathing, eye problems, loss of bladder control or muscle weakness can be a sign of a lifethreatening condition. Dont take botox if you cant empty your bladder on your own or have a urinary tract infection, or uti. 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