it was not on purpose. >> reporter: clarence jacobs says it was an accident. he says his brother, aaron, turned himself into the cops today and tonight aaron jacobs has been charged with second-degree murder. i talked mother and she said this is the saddest of times for her. you see she had three daughters, a few years ago she lost one daughter in a terrible aus automobile accident and now another accident to gun violence. a lot of sorrow out here tonight. >> pat collins reporting. thank you. >>> he was a silicon valley superstar who made uber so popular its become a verb. but tonight travis kalanick is out of a job. he is stepping down so that uber won't be distracted with another fight. employees have complained that the companies for teredkocompay culture and ignored claims of sexual assault. how will it affect your ride? >> adam tuss has you covered. >> reporter: uber is an organization it hurting business. long time users say the company has been tainted by the allegations. all leading up to travis kalanick resigning. >> uber is now not just sin nochb m sy

robin fitzgerald went to visit a friend, clarence jacobs, at his apartment along 51st street last night. jacobs told news4 he was fighting with his brother. aaron jacobs shot through a wall, hitting robin fitzgerald. he's now accused of murder. >>> a man accused in a possible terror attack at a flint, michigan airport has already appeared in court. he shouted allahu akbar before stabbing an officer in the neck. law enforcement officials tell nbc news he was not in any fbi databases prior to the attack, and stabbed the officer outside the tsa screening area. that means he knife through security. >> when the subject went up to the officer and stabbed him, he continued to exclaim "allah" and he made an estimate something to the effect of, you have killed people in syria, iraq and afghanistan, and we are all going to die. >> the officer is out of surgery and is recovering tonight. >>> storm team 4 tracking tropical storm cindy tonight in the gulf of mexico. the system isn't expected to make landfall until early tomorrow morning but it is already turning deadly. a 10-year-old vacationing wit

robin fitzgerald was clarence jacobs' apartment on 51st street northeast. left bible study at a nearby church. jacobs said he and his brother aaron had an argument. at some point during the fight, his brother pulled a gun and shot through a wall accidentally hitting fitzgerald who was in the next room. fitzgerald died at the hospital. aaron jacobs has been charged with her murder. >>> we're learning more about the shooter in last week's congressional baseball practice in alexandria. the fbi now says james hodgk hodgkinson acted alone and had no ties to terrorism. he was under financial and mental duress. had a deep animus towards president trump and republicans. he shot several people, including steve scalise. he is in fair condition this morning. [ applause ] >> boy, listen to cheers all around for capitol police special agent crystal griner as she threw out the first pitch at the congressional women's baseball game in southeast d.c. she was one of the people injured in the shooting last week. the softball game pitted congresswoman of both parties on the s

robin fitzgerald was clarence jacobs' apartment on 51st street northeast.he had left bible study at a nearby church. jacobs says he and his brother had an argument and during the fight, his brother pulled a gun and shot through a wall, accidentally hitting fitzgerald who was in the next room. she died at the hospital. aaron jacobs has been charged with her murder. >>> we're learning more about the gunman in last week's congressional baseball shooting. of the fbi says james hodgkinson acted alone. agents say he was under financial and mental stress and had a deep animus towards president trump and republicans. several people, including steve scalise were shot and he's been upgraded to fair condition. >>> one of the victims from that shooting made a special appearance at last night's congressional women's softball game. >> it was cheers all around for capitol police special agent crystal [ applause ] >> all right! >> yeah. agent griner threw out the first pitch. it pit the women of congress of both party on the same team against the women of the press corps t