a suspect now in custody. in missouri, the 84-year-old man who shot a black teenager who mistakenly rang his doorbell today pleading not guiltlty. and in upstate new york, a young woman shot and killed when the car she was in made a wrong turn in a driveway. the shooter denied bail. plus, the arrests in the deadly weekend shooting at a sweet 16 party in alabama that injured dozens. the latest on the cases and the state of gun violence in america. also tonight, the airman accused of leaking top secret intelligence documents in court. the blowback on capitol hill. the hearing in congress aboutut unidentified objectsts in the sky. why the pentagon s warning tonight is not about alien life. the severe weather threat across the plains. millions facing high winds and large hail in the middle of the country. our series, climate challenge, the threat facing some endangered gentle giants of the sea, but also signs of hope. and the official end of a bygone era, streaming
10,000 to 30,000 feet and so far, no sign of alien involvement. no credit evidence thus far of extraterrestrial activity. reporter: sean kirk patrick says this remains unsolved, a cylinder. it turns out to be a plane. this is the heat signature off the engines of a commuter aircraft that happened to be flying in the vicinity. reporter: more concerning, russia or china could have advanced capabilities the u.s. doesn t have. could you describe a potential threat that might exist out there if they are foreign? are there capabilities that could be employed against us, absolutely. reporter: two months after u.s. fighters shot a chinese spy balloon out of the sky, the washington post reports leaked intelligence documents not verified by nbc news suggest china could soon deploy a high altitude spy drone able to travel at three times the speed of sound and
the safety of air travel and a frightening new declaration from a top u.s. lawmaker. chief intelligence correspondent catherine herridge is live in washington. catherine what are we learning? reporter: good morning, patti ann. the chairman of house homeland security committee who receives regular briefings on intelligence says al qaeda and its affiliates are more determined to bring down aircraft and increasingly they have capability to do so because of a growing safe haven in syria and iraq. al qaeda has not given up on its threats to the aviation sector, i can t stress that enough. it was before 9/11 and it is even stronger after 9/11. they have not given up on their desire to bring down u.s. airlines. reporter: and u.s. intelligence community assesses that there is credit evidence western passport holders in syria are working with operatives with al qaeda in yemen to build bombs with non-metallic explosives that can circumvent traditional airline