admission of wrongdoing from nashville s mayor, megan barry. i had a consensual relationship with a member of my security detail, and i am deeply sorry for that. and i am embarrassed and i am sad. i know that that god will forgive me, but that nashville doesn t have to. reporter: the mayor adding this i made a serious mistake, but this is not a tragedy. this is a mistake. reporter: the head of her security detail, sergeant rob forrest, retiring not long before she stood before those cameras. can you say when it ended? yes, it s over. can you say when? yes, it s over. when did it end? it s over. how did it end? it ended with saying, it s over. reporter: the mayor, a democrat was pressed about her affair with a subordinate in light of the me, too movement.
apology weeks ago. i immediately broke down as they apologized. this was a phone call i had been waiting almost 14 years for. reporter: brianne says she s now focused on making systematic changes to protect victims of sexual abuse, and she ll be partnering with that police station to do so. david? linsey, thank you. there is still much more ahead on world news tonight this thursday. the scandal and the admission from the mayor. standing before the cameras, her personal admission, saying, i know that god will forgive me, but that nashville doesn t have to. what she admits to do doing. the alleged police beating. the deputy seen punching and kicking a man during an arrest. they need your help tonight. and the fire onboard a crowded passenger plane. authorities blaming a phone charger. images coming from that plane when we come back.
she said she was sad, she was embarrassed, she was wrong. she was sorry. she also said she broke no laws. i know that god will forgive me, but nashville doesn t have to. i hope i can earn their trust and earn your trust back. she said the affair began just a few months into her first term in 2016. she said the affair is over now, but she was asked three times when exactly the affair ended. she refused to answer that question. shepard? shepard: there could be a state investigation coming? it s likely, shepard. a real question as to whether this affair was funded on the taxpayer s dime. the police sergeant more than doubled his overtime and a lot of travel expenses, too. more than 30,000 for the two of them in the past year. they went to parris, athens on nine separate occasions they went just the two of them. real questions about that. the mayor has said she will
me, but that nashville doesn t have to. the fire on the passenger plane. authorities pointing to a phone charger. and tomorrow morning s commute. it could be a dangerous one in the northeast. and plummeting temperatures right behind it. rob marciano is standing by. good evening. and it s great to have you with us here on a thursday night. and we begin with those terrifying moments inside a california middle school. students under lockdown, a 12-year-old girl with a gun. at least two students, a boy and a girl shot, rushed to the hospital. the scene from above tonight as police walk students out of the classroom, one at a time, then patting them down. worried parents waiting for their children to be released. tonight, that 12-year-old is in custody, and abc s david kerley leads us off from the scene. reporter: disbelief tonight after police search for a shooter at a los angeles middle school just coming out there. reporter: and say that it may have been a 12-year-old gir