The Longview Police Department placed three officers on leave after a 17-year-old girl was shot and killed in the lobby of the station last week, the Marshall News Messenger reported. According to officials, Kristiana Coignard entered the Texas police station on Thursday evening brandishing a weapon. Police spokeswoman Kristie Brian said Coignard used a phone in the lobby to call police dispatch and asked to see an officer. When officers arrived in the lobby, she "came at the officers" with a weapon, according to Brian. Police did not confirm what type of weapon Coignard had, but Longview Mayor Jay Dean...